1621776780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{283}}^1$

素因数の和:421

約数の個数: 288

約数和(自身を含む): 5557493760

約数和(自身を除く): 3935716980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 31, 36, 39, 45, 52, 60, 62, 65, 78, 79, 90, 93, 117, 124, 130, 155, 156, 158, 180, 186, 195, 234, 237, 260, 279, 283, 310, 316, 372, 390, 395, 403, 465, 468, 474, 558, 566, 585, 620, 711, 780, 790, 806, 849, 930, 948, 1027, 1116, 1132, 1170, 1185, 1209, 1395, 1415, 1422, 1580, 1612, 1698, 1860, 2015, 2054, 2340, 2370, 2418, 2449, 2547, 2790, 2830, 2844, 3081, 3396, 3555, 3627, 3679, 4030, 4108, 4245, 4740, 4836, 4898, 5094, 5135, 5580, 5660, 6045, 6162, 7110, 7254, 7347, 7358, 8060, 8490, 8773, 9243, 9796, 10188, 10270, 11037, 12090, 12245, 12324, 12735, 14220, 14508, 14694, 14716, 15405, 16980, 17546, 18135, 18395, 18486, 20540, 22041, 22074, 22357, 24180, 24490, 25470, 26319, 29388, 30810, 31837, 33111, 35092, 36270, 36735, 36790, 36972, 43865, 44082, 44148, 44714, 46215, 48980, 50940, 52638, 55185, 61620, 63674, 66222, 67071, 72540, 73470, 73580, 78957, 87730, 88164, 89428, 92430, 95511, 105276, 110205, 110370, 111785, 114049, 127348, 131595, 132444, 134142, 146940, 157914, 159185, 165555, 175460, 184860, 191022, 201213, 220410, 220740, 223570, 228098, 263190, 268284, 286533, 290641, 315828, 318370, 331110, 335355, 342147, 382044, 394785, 402426, 440820, 447140, 456196, 477555, 526380, 570245, 573066, 581282, 636740, 662220, 670710, 684294, 693067, 789570, 804852, 871923, 955110, 1006065, 1026441, 1140490, 1146132, 1162564, 1341420, 1368588, 1386134, 1432665, 1453205, 1579140, 1710735, 1743846, 1910220, 2012130, 2052882, 2079201, 2280980, 2615769, 2772268, 2865330, 2906410, 3421470, 3465335, 3487692, 4024260, 4105764, 4158402, 4359615, 5132205, 5231538, 5730660, 5812820, 6237603, 6842940, 6930670, 8316804, 8719230, 9009871, 10264410, 10396005, 10463076, 12475206, 13078845, 13861340, 17438460, 18019742, 20528820, 20792010, 24950412, 26157690, 27029613, 31188015, 36039484, 41584020, 45049355, 52315380, 54059226, 62376030, 81088839, 90098710, 108118452, 124752060, 135148065, 162177678, 180197420, 270296130, 324355356, 405444195, 540592260, 810888390, 1621776780]

約数ペア:

[(1, 1621776780), (2, 810888390), (3, 540592260), (4, 405444195), (5, 324355356), (6, 270296130), (9, 180197420), (10, 162177678), (12, 135148065), (13, 124752060), (15, 108118452), (18, 90098710), (20, 81088839), (26, 62376030), (30, 54059226), (31, 52315380), (36, 45049355), (39, 41584020), (45, 36039484), (52, 31188015), (60, 27029613), (62, 26157690), (65, 24950412), (78, 20792010), (79, 20528820), (90, 18019742), (93, 17438460), (117, 13861340), (124, 13078845), (130, 12475206), (155, 10463076), (156, 10396005), (158, 10264410), (180, 9009871), (186, 8719230), (195, 8316804), (234, 6930670), (237, 6842940), (260, 6237603), (279, 5812820), (283, 5730660), (310, 5231538), (316, 5132205), (372, 4359615), (390, 4158402), (395, 4105764), (403, 4024260), (465, 3487692), (468, 3465335), (474, 3421470), (558, 2906410), (566, 2865330), (585, 2772268), (620, 2615769), (711, 2280980), (780, 2079201), (790, 2052882), (806, 2012130), (849, 1910220), (930, 1743846), (948, 1710735), (1027, 1579140), (1116, 1453205), (1132, 1432665), (1170, 1386134), (1185, 1368588), (1209, 1341420), (1395, 1162564), (1415, 1146132), (1422, 1140490), (1580, 1026441), (1612, 1006065), (1698, 955110), (1860, 871923), (2015, 804852), (2054, 789570), (2340, 693067), (2370, 684294), (2418, 670710), (2449, 662220), (2547, 636740), (2790, 581282), (2830, 573066), (2844, 570245), (3081, 526380), (3396, 477555), (3555, 456196), (3627, 447140), (3679, 440820), (4030, 402426), (4108, 394785), (4245, 382044), (4740, 342147), (4836, 335355), (4898, 331110), (5094, 318370), (5135, 315828), (5580, 290641), (5660, 286533), (6045, 268284), (6162, 263190), (7110, 228098), (7254, 223570), (7347, 220740), (7358, 220410), (8060, 201213), (8490, 191022), (8773, 184860), (9243, 175460), (9796, 165555), (10188, 159185), (10270, 157914), (11037, 146940), (12090, 134142), (12245, 132444), (12324, 131595), (12735, 127348), (14220, 114049), (14508, 111785), (14694, 110370), (14716, 110205), (15405, 105276), (16980, 95511), (17546, 92430), (18135, 89428), (18395, 88164), (18486, 87730), (20540, 78957), (22041, 73580), (22074, 73470), (22357, 72540), (24180, 67071), (24490, 66222), (25470, 63674), (26319, 61620), (29388, 55185), (30810, 52638), (31837, 50940), (33111, 48980), (35092, 46215), (36270, 44714), (36735, 44148), (36790, 44082), (36972, 43865)]