320980920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:214

約数の個数: 256

約数和(自身を含む): 1093962240

約数和(自身を除く): 772981320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 37, 39, 40, 52, 60, 65, 67, 74, 78, 83, 104, 111, 120, 130, 134, 148, 156, 166, 185, 195, 201, 222, 249, 260, 268, 296, 312, 332, 335, 370, 390, 402, 415, 444, 481, 498, 520, 536, 555, 664, 670, 740, 780, 804, 830, 871, 888, 962, 996, 1005, 1079, 1110, 1245, 1340, 1443, 1480, 1560, 1608, 1660, 1742, 1924, 1992, 2010, 2158, 2220, 2405, 2479, 2490, 2613, 2680, 2886, 3071, 3237, 3320, 3484, 3848, 4020, 4316, 4355, 4440, 4810, 4958, 4980, 5226, 5395, 5561, 5772, 6142, 6474, 6968, 7215, 7437, 8040, 8632, 8710, 9213, 9620, 9916, 9960, 10452, 10790, 11122, 11544, 12284, 12395, 12948, 13065, 14430, 14874, 15355, 16185, 16683, 17420, 18426, 19240, 19832, 20904, 21580, 22244, 24568, 24790, 25896, 26130, 27805, 28860, 29748, 30710, 32227, 32370, 33366, 34840, 36852, 37185, 39923, 43160, 44488, 46065, 49580, 52260, 55610, 57720, 59496, 61420, 64454, 64740, 66732, 72293, 73704, 74370, 79846, 83415, 92130, 96681, 99160, 104520, 111220, 119769, 122840, 128908, 129480, 133464, 144586, 148740, 159692, 161135, 166830, 184260, 193362, 199615, 205757, 216879, 222440, 239538, 257816, 289172, 297480, 319384, 322270, 333660, 361465, 368520, 386724, 399230, 411514, 433758, 479076, 483405, 578344, 598845, 617271, 644540, 667320, 722930, 773448, 798460, 823028, 867516, 958152, 966810, 1028785, 1084395, 1197690, 1234542, 1289080, 1445860, 1596920, 1646056, 1735032, 1933620, 2057570, 2168790, 2395380, 2469084, 2674841, 2891720, 3086355, 3867240, 4115140, 4337580, 4790760, 4938168, 5349682, 6172710, 8024523, 8230280, 8675160, 10699364, 12345420, 13374205, 16049046, 21398728, 24690840, 26748410, 32098092, 40122615, 53496820, 64196184, 80245230, 106993640, 160490460, 320980920]

約数ペア:

[(1, 320980920), (2, 160490460), (3, 106993640), (4, 80245230), (5, 64196184), (6, 53496820), (8, 40122615), (10, 32098092), (12, 26748410), (13, 24690840), (15, 21398728), (20, 16049046), (24, 13374205), (26, 12345420), (30, 10699364), (37, 8675160), (39, 8230280), (40, 8024523), (52, 6172710), (60, 5349682), (65, 4938168), (67, 4790760), (74, 4337580), (78, 4115140), (83, 3867240), (104, 3086355), (111, 2891720), (120, 2674841), (130, 2469084), (134, 2395380), (148, 2168790), (156, 2057570), (166, 1933620), (185, 1735032), (195, 1646056), (201, 1596920), (222, 1445860), (249, 1289080), (260, 1234542), (268, 1197690), (296, 1084395), (312, 1028785), (332, 966810), (335, 958152), (370, 867516), (390, 823028), (402, 798460), (415, 773448), (444, 722930), (481, 667320), (498, 644540), (520, 617271), (536, 598845), (555, 578344), (664, 483405), (670, 479076), (740, 433758), (780, 411514), (804, 399230), (830, 386724), (871, 368520), (888, 361465), (962, 333660), (996, 322270), (1005, 319384), (1079, 297480), (1110, 289172), (1245, 257816), (1340, 239538), (1443, 222440), (1480, 216879), (1560, 205757), (1608, 199615), (1660, 193362), (1742, 184260), (1924, 166830), (1992, 161135), (2010, 159692), (2158, 148740), (2220, 144586), (2405, 133464), (2479, 129480), (2490, 128908), (2613, 122840), (2680, 119769), (2886, 111220), (3071, 104520), (3237, 99160), (3320, 96681), (3484, 92130), (3848, 83415), (4020, 79846), (4316, 74370), (4355, 73704), (4440, 72293), (4810, 66732), (4958, 64740), (4980, 64454), (5226, 61420), (5395, 59496), (5561, 57720), (5772, 55610), (6142, 52260), (6474, 49580), (6968, 46065), (7215, 44488), (7437, 43160), (8040, 39923), (8632, 37185), (8710, 36852), (9213, 34840), (9620, 33366), (9916, 32370), (9960, 32227), (10452, 30710), (10790, 29748), (11122, 28860), (11544, 27805), (12284, 26130), (12395, 25896), (12948, 24790), (13065, 24568), (14430, 22244), (14874, 21580), (15355, 20904), (16185, 19832), (16683, 19240), (17420, 18426)]