256920300

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3137}}^1$

素因数の和:3177

約数の個数: 216

約数和(自身を含む): 991457376

約数和(自身を除く): 734537076

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 25, 26, 28, 30, 35, 36, 39, 42, 45, 50, 52, 60, 63, 65, 70, 75, 78, 84, 90, 91, 100, 105, 117, 126, 130, 140, 150, 156, 175, 180, 182, 195, 210, 225, 234, 252, 260, 273, 300, 315, 325, 350, 364, 390, 420, 450, 455, 468, 525, 546, 585, 630, 650, 700, 780, 819, 900, 910, 975, 1050, 1092, 1170, 1260, 1300, 1365, 1575, 1638, 1820, 1950, 2100, 2275, 2340, 2730, 2925, 3137, 3150, 3276, 3900, 4095, 4550, 5460, 5850, 6274, 6300, 6825, 8190, 9100, 9411, 11700, 12548, 13650, 15685, 16380, 18822, 20475, 21959, 27300, 28233, 31370, 37644, 40781, 40950, 43918, 47055, 56466, 62740, 65877, 78425, 81562, 81900, 87836, 94110, 109795, 112932, 122343, 131754, 141165, 156850, 163124, 188220, 197631, 203905, 219590, 235275, 244686, 263508, 282330, 285467, 313700, 329385, 367029, 395262, 407810, 439180, 470550, 489372, 548975, 564660, 570934, 611715, 658770, 705825, 734058, 790524, 815620, 856401, 941100, 988155, 1019525, 1097950, 1141868, 1223430, 1317540, 1411650, 1427335, 1468116, 1646925, 1712802, 1835145, 1976310, 2039050, 2195900, 2446860, 2569203, 2823300, 2854670, 3058575, 3293850, 3425604, 3670290, 3952620, 4078100, 4282005, 4940775, 5138406, 5709340, 6117150, 6587700, 7136675, 7340580, 8564010, 9175725, 9881550, 10276812, 12234300, 12846015, 14273350, 17128020, 18351450, 19763100, 21410025, 25692030, 28546700, 36702900, 42820050, 51384060, 64230075, 85640100, 128460150, 256920300]

約数ペア:

[(1, 256920300), (2, 128460150), (3, 85640100), (4, 64230075), (5, 51384060), (6, 42820050), (7, 36702900), (9, 28546700), (10, 25692030), (12, 21410025), (13, 19763100), (14, 18351450), (15, 17128020), (18, 14273350), (20, 12846015), (21, 12234300), (25, 10276812), (26, 9881550), (28, 9175725), (30, 8564010), (35, 7340580), (36, 7136675), (39, 6587700), (42, 6117150), (45, 5709340), (50, 5138406), (52, 4940775), (60, 4282005), (63, 4078100), (65, 3952620), (70, 3670290), (75, 3425604), (78, 3293850), (84, 3058575), (90, 2854670), (91, 2823300), (100, 2569203), (105, 2446860), (117, 2195900), (126, 2039050), (130, 1976310), (140, 1835145), (150, 1712802), (156, 1646925), (175, 1468116), (180, 1427335), (182, 1411650), (195, 1317540), (210, 1223430), (225, 1141868), (234, 1097950), (252, 1019525), (260, 988155), (273, 941100), (300, 856401), (315, 815620), (325, 790524), (350, 734058), (364, 705825), (390, 658770), (420, 611715), (450, 570934), (455, 564660), (468, 548975), (525, 489372), (546, 470550), (585, 439180), (630, 407810), (650, 395262), (700, 367029), (780, 329385), (819, 313700), (900, 285467), (910, 282330), (975, 263508), (1050, 244686), (1092, 235275), (1170, 219590), (1260, 203905), (1300, 197631), (1365, 188220), (1575, 163124), (1638, 156850), (1820, 141165), (1950, 131754), (2100, 122343), (2275, 112932), (2340, 109795), (2730, 94110), (2925, 87836), (3137, 81900), (3150, 81562), (3276, 78425), (3900, 65877), (4095, 62740), (4550, 56466), (5460, 47055), (5850, 43918), (6274, 40950), (6300, 40781), (6825, 37644), (8190, 31370), (9100, 28233), (9411, 27300), (11700, 21959), (12548, 20475), (13650, 18822), (15685, 16380)]