1680491100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{19}}^2\times {\mathrm{59}}^1\times {\mathrm{263}}^1$

素因数の和:377

約数の個数: 216

約数和(自身を含む): 5238414720

約数和(自身を除く): 3557923620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 25, 30, 38, 50, 57, 59, 60, 75, 76, 95, 100, 114, 118, 150, 177, 190, 228, 236, 263, 285, 295, 300, 354, 361, 380, 475, 526, 570, 590, 708, 722, 789, 885, 950, 1052, 1083, 1121, 1140, 1180, 1315, 1425, 1444, 1475, 1578, 1770, 1805, 1900, 2166, 2242, 2630, 2850, 2950, 3156, 3363, 3540, 3610, 3945, 4332, 4425, 4484, 4997, 5260, 5415, 5605, 5700, 5900, 6575, 6726, 7220, 7890, 8850, 9025, 9994, 10830, 11210, 13150, 13452, 14991, 15517, 15780, 16815, 17700, 18050, 19725, 19988, 21299, 21660, 22420, 24985, 26300, 27075, 28025, 29982, 31034, 33630, 36100, 39450, 42598, 46551, 49970, 54150, 56050, 59964, 62068, 63897, 67260, 74955, 77585, 78900, 84075, 85196, 93102, 94943, 99940, 106495, 108300, 112100, 124925, 127794, 149910, 155170, 168150, 186204, 189886, 212990, 232755, 249850, 255588, 284829, 294823, 299820, 310340, 319485, 336300, 374775, 379772, 387925, 425980, 465510, 474715, 499700, 532475, 569658, 589646, 638970, 749550, 775850, 884469, 931020, 949430, 1064950, 1139316, 1163775, 1179292, 1277940, 1424145, 1474115, 1499100, 1551700, 1597425, 1768938, 1898860, 2129900, 2327550, 2373575, 2848290, 2948230, 3194850, 3537876, 4422345, 4655100, 4747150, 5601637, 5696580, 5896460, 6389700, 7120725, 7370575, 8844690, 9494300, 11203274, 14241450, 14741150, 16804911, 17689380, 22111725, 22406548, 28008185, 28482900, 29482300, 33609822, 44223450, 56016370, 67219644, 84024555, 88446900, 112032740, 140040925, 168049110, 280081850, 336098220, 420122775, 560163700, 840245550, 1680491100]

約数ペア:

[(1, 1680491100), (2, 840245550), (3, 560163700), (4, 420122775), (5, 336098220), (6, 280081850), (10, 168049110), (12, 140040925), (15, 112032740), (19, 88446900), (20, 84024555), (25, 67219644), (30, 56016370), (38, 44223450), (50, 33609822), (57, 29482300), (59, 28482900), (60, 28008185), (75, 22406548), (76, 22111725), (95, 17689380), (100, 16804911), (114, 14741150), (118, 14241450), (150, 11203274), (177, 9494300), (190, 8844690), (228, 7370575), (236, 7120725), (263, 6389700), (285, 5896460), (295, 5696580), (300, 5601637), (354, 4747150), (361, 4655100), (380, 4422345), (475, 3537876), (526, 3194850), (570, 2948230), (590, 2848290), (708, 2373575), (722, 2327550), (789, 2129900), (885, 1898860), (950, 1768938), (1052, 1597425), (1083, 1551700), (1121, 1499100), (1140, 1474115), (1180, 1424145), (1315, 1277940), (1425, 1179292), (1444, 1163775), (1475, 1139316), (1578, 1064950), (1770, 949430), (1805, 931020), (1900, 884469), (2166, 775850), (2242, 749550), (2630, 638970), (2850, 589646), (2950, 569658), (3156, 532475), (3363, 499700), (3540, 474715), (3610, 465510), (3945, 425980), (4332, 387925), (4425, 379772), (4484, 374775), (4997, 336300), (5260, 319485), (5415, 310340), (5605, 299820), (5700, 294823), (5900, 284829), (6575, 255588), (6726, 249850), (7220, 232755), (7890, 212990), (8850, 189886), (9025, 186204), (9994, 168150), (10830, 155170), (11210, 149910), (13150, 127794), (13452, 124925), (14991, 112100), (15517, 108300), (15780, 106495), (16815, 99940), (17700, 94943), (18050, 93102), (19725, 85196), (19988, 84075), (21299, 78900), (21660, 77585), (22420, 74955), (24985, 67260), (26300, 63897), (27075, 62068), (28025, 59964), (29982, 56050), (31034, 54150), (33630, 49970), (36100, 46551), (39450, 42598)]