861339960

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1979}}^1$

素因数の和:2043

約数の個数: 256

約数和(自身を含む): 3193344000

約数和(自身を除く): 2332004040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 31, 36, 39, 40, 45, 52, 54, 60, 62, 65, 72, 78, 90, 93, 104, 108, 117, 120, 124, 130, 135, 155, 156, 180, 186, 195, 216, 234, 248, 260, 270, 279, 310, 312, 351, 360, 372, 390, 403, 465, 468, 520, 540, 558, 585, 620, 702, 744, 780, 806, 837, 930, 936, 1080, 1116, 1170, 1209, 1240, 1395, 1404, 1560, 1612, 1674, 1755, 1860, 1979, 2015, 2232, 2340, 2418, 2790, 2808, 3224, 3348, 3510, 3627, 3720, 3958, 4030, 4185, 4680, 4836, 5580, 5937, 6045, 6696, 7020, 7254, 7916, 8060, 8370, 9672, 9895, 10881, 11160, 11874, 12090, 14040, 14508, 15832, 16120, 16740, 17811, 18135, 19790, 21762, 23748, 24180, 25727, 29016, 29685, 33480, 35622, 36270, 39580, 43524, 47496, 48360, 51454, 53433, 54405, 59370, 61349, 71244, 72540, 77181, 79160, 87048, 89055, 102908, 106866, 108810, 118740, 122698, 128635, 142488, 145080, 154362, 178110, 184047, 205816, 213732, 217620, 231543, 237480, 245396, 257270, 267165, 306745, 308724, 356220, 368094, 385905, 427464, 435240, 463086, 490792, 514540, 534330, 552141, 613490, 617448, 694629, 712440, 736188, 771810, 797537, 920235, 926172, 1029080, 1068660, 1104282, 1157715, 1226980, 1389258, 1472376, 1543620, 1595074, 1656423, 1840470, 1852344, 2137320, 2208564, 2315430, 2392611, 2453960, 2760705, 2778516, 3087240, 3190148, 3312846, 3473145, 3680940, 3987685, 4417128, 4630860, 4785222, 5521410, 5557032, 6380296, 6625692, 6946290, 7177833, 7361880, 7975370, 8282115, 9261720, 9570444, 11042820, 11963055, 13251384, 13892580, 14355666, 15950740, 16564230, 19140888, 21533499, 22085640, 23926110, 27785160, 28711332, 31901480, 33128460, 35889165, 43066998, 47852220, 57422664, 66256920, 71778330, 86133996, 95704440, 107667495, 143556660, 172267992, 215334990, 287113320, 430669980, 861339960]

約数ペア:

[(1, 861339960), (2, 430669980), (3, 287113320), (4, 215334990), (5, 172267992), (6, 143556660), (8, 107667495), (9, 95704440), (10, 86133996), (12, 71778330), (13, 66256920), (15, 57422664), (18, 47852220), (20, 43066998), (24, 35889165), (26, 33128460), (27, 31901480), (30, 28711332), (31, 27785160), (36, 23926110), (39, 22085640), (40, 21533499), (45, 19140888), (52, 16564230), (54, 15950740), (60, 14355666), (62, 13892580), (65, 13251384), (72, 11963055), (78, 11042820), (90, 9570444), (93, 9261720), (104, 8282115), (108, 7975370), (117, 7361880), (120, 7177833), (124, 6946290), (130, 6625692), (135, 6380296), (155, 5557032), (156, 5521410), (180, 4785222), (186, 4630860), (195, 4417128), (216, 3987685), (234, 3680940), (248, 3473145), (260, 3312846), (270, 3190148), (279, 3087240), (310, 2778516), (312, 2760705), (351, 2453960), (360, 2392611), (372, 2315430), (390, 2208564), (403, 2137320), (465, 1852344), (468, 1840470), (520, 1656423), (540, 1595074), (558, 1543620), (585, 1472376), (620, 1389258), (702, 1226980), (744, 1157715), (780, 1104282), (806, 1068660), (837, 1029080), (930, 926172), (936, 920235), (1080, 797537), (1116, 771810), (1170, 736188), (1209, 712440), (1240, 694629), (1395, 617448), (1404, 613490), (1560, 552141), (1612, 534330), (1674, 514540), (1755, 490792), (1860, 463086), (1979, 435240), (2015, 427464), (2232, 385905), (2340, 368094), (2418, 356220), (2790, 308724), (2808, 306745), (3224, 267165), (3348, 257270), (3510, 245396), (3627, 237480), (3720, 231543), (3958, 217620), (4030, 213732), (4185, 205816), (4680, 184047), (4836, 178110), (5580, 154362), (5937, 145080), (6045, 142488), (6696, 128635), (7020, 122698), (7254, 118740), (7916, 108810), (8060, 106866), (8370, 102908), (9672, 89055), (9895, 87048), (10881, 79160), (11160, 77181), (11874, 72540), (12090, 71244), (14040, 61349), (14508, 59370), (15832, 54405), (16120, 53433), (16740, 51454), (17811, 48360), (18135, 47496), (19790, 43524), (21762, 39580), (23748, 36270), (24180, 35622), (25727, 33480), (29016, 29685)]