15721739280

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{18061}}^1$

素因数の和:18127

約数の個数: 320

約数和(自身を含む): 60202813440

約数和(自身を除く): 44481074160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 31, 36, 39, 40, 45, 48, 52, 54, 60, 62, 65, 72, 78, 80, 90, 93, 104, 108, 117, 120, 124, 130, 135, 144, 155, 156, 180, 186, 195, 208, 216, 234, 240, 248, 260, 270, 279, 310, 312, 351, 360, 372, 390, 403, 432, 465, 468, 496, 520, 540, 558, 585, 620, 624, 702, 720, 744, 780, 806, 837, 930, 936, 1040, 1080, 1116, 1170, 1209, 1240, 1395, 1404, 1488, 1560, 1612, 1674, 1755, 1860, 1872, 2015, 2160, 2232, 2340, 2418, 2480, 2790, 2808, 3120, 3224, 3348, 3510, 3627, 3720, 4030, 4185, 4464, 4680, 4836, 5580, 5616, 6045, 6448, 6696, 7020, 7254, 7440, 8060, 8370, 9360, 9672, 10881, 11160, 12090, 13392, 14040, 14508, 16120, 16740, 18061, 18135, 19344, 21762, 22320, 24180, 28080, 29016, 32240, 33480, 36122, 36270, 43524, 48360, 54183, 54405, 58032, 66960, 72244, 72540, 87048, 90305, 96720, 108366, 108810, 144488, 145080, 162549, 174096, 180610, 216732, 217620, 234793, 270915, 288976, 290160, 325098, 361220, 433464, 435240, 469586, 487647, 541830, 559891, 650196, 704379, 722440, 812745, 866928, 870480, 939172, 975294, 1083660, 1119782, 1173965, 1300392, 1408758, 1444880, 1625490, 1679673, 1878344, 1950588, 2113137, 2167320, 2239564, 2347930, 2438235, 2600784, 2799455, 2817516, 3250980, 3359346, 3521895, 3756688, 3901176, 4226274, 4334640, 4479128, 4695860, 4876470, 5039019, 5598910, 5635032, 6339411, 6501960, 6718692, 7043790, 7278583, 7802352, 8398365, 8452548, 8958256, 9391720, 9752940, 10078038, 10565685, 11197820, 11270064, 12678822, 13003920, 13437384, 14087580, 14557166, 15117057, 16796730, 16905096, 18783440, 19505880, 20156076, 21131370, 21835749, 22395640, 25195095, 25357644, 26874768, 28175160, 29114332, 30234114, 31697055, 33593460, 33810192, 36392915, 39011760, 40312152, 42262740, 43671498, 44791280, 50390190, 50715288, 56350320, 58228664, 60468228, 63394110, 65507247, 67186920, 72785830, 75585285, 80624304, 84525480, 87342996, 100780380, 101430576, 109178745, 116457328, 120936456, 126788220, 131014494, 134373840, 145571660, 151170570, 169050960, 174685992, 196521741, 201560760, 218357490, 241872912, 253576440, 262028988, 291143320, 302341140, 327536235, 349371984, 393043482, 403121520, 436714980, 507152880, 524057976, 582286640, 604682280, 655072470, 786086964, 873429960, 982608705, 1048115952, 1209364560, 1310144940, 1572173928, 1746859920, 1965217410, 2620289880, 3144347856, 3930434820, 5240579760, 7860869640, 15721739280]

約数ペア:

[(1, 15721739280), (2, 7860869640), (3, 5240579760), (4, 3930434820), (5, 3144347856), (6, 2620289880), (8, 1965217410), (9, 1746859920), (10, 1572173928), (12, 1310144940), (13, 1209364560), (15, 1048115952), (16, 982608705), (18, 873429960), (20, 786086964), (24, 655072470), (26, 604682280), (27, 582286640), (30, 524057976), (31, 507152880), (36, 436714980), (39, 403121520), (40, 393043482), (45, 349371984), (48, 327536235), (52, 302341140), (54, 291143320), (60, 262028988), (62, 253576440), (65, 241872912), (72, 218357490), (78, 201560760), (80, 196521741), (90, 174685992), (93, 169050960), (104, 151170570), (108, 145571660), (117, 134373840), (120, 131014494), (124, 126788220), (130, 120936456), (135, 116457328), (144, 109178745), (155, 101430576), (156, 100780380), (180, 87342996), (186, 84525480), (195, 80624304), (208, 75585285), (216, 72785830), (234, 67186920), (240, 65507247), (248, 63394110), (260, 60468228), (270, 58228664), (279, 56350320), (310, 50715288), (312, 50390190), (351, 44791280), (360, 43671498), (372, 42262740), (390, 40312152), (403, 39011760), (432, 36392915), (465, 33810192), (468, 33593460), (496, 31697055), (520, 30234114), (540, 29114332), (558, 28175160), (585, 26874768), (620, 25357644), (624, 25195095), (702, 22395640), (720, 21835749), (744, 21131370), (780, 20156076), (806, 19505880), (837, 18783440), (930, 16905096), (936, 16796730), (1040, 15117057), (1080, 14557166), (1116, 14087580), (1170, 13437384), (1209, 13003920), (1240, 12678822), (1395, 11270064), (1404, 11197820), (1488, 10565685), (1560, 10078038), (1612, 9752940), (1674, 9391720), (1755, 8958256), (1860, 8452548), (1872, 8398365), (2015, 7802352), (2160, 7278583), (2232, 7043790), (2340, 6718692), (2418, 6501960), (2480, 6339411), (2790, 5635032), (2808, 5598910), (3120, 5039019), (3224, 4876470), (3348, 4695860), (3510, 4479128), (3627, 4334640), (3720, 4226274), (4030, 3901176), (4185, 3756688), (4464, 3521895), (4680, 3359346), (4836, 3250980), (5580, 2817516), (5616, 2799455), (6045, 2600784), (6448, 2438235), (6696, 2347930), (7020, 2239564), (7254, 2167320), (7440, 2113137), (8060, 1950588), (8370, 1878344), (9360, 1679673), (9672, 1625490), (10881, 1444880), (11160, 1408758), (12090, 1300392), (13392, 1173965), (14040, 1119782), (14508, 1083660), (16120, 975294), (16740, 939172), (18061, 870480), (18135, 866928), (19344, 812745), (21762, 722440), (22320, 704379), (24180, 650196), (28080, 559891), (29016, 541830), (32240, 487647), (33480, 469586), (36122, 435240), (36270, 433464), (43524, 361220), (48360, 325098), (54183, 290160), (54405, 288976), (58032, 270915), (66960, 234793), (72244, 217620), (72540, 216732), (87048, 180610), (90305, 174096), (96720, 162549), (108366, 145080), (108810, 144488)]