245151270

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{809}}^1$

素因数の和:879

約数の個数: 192

約数和(自身を含む): 806682240

約数和(自身を除く): 561530970

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 30, 35, 37, 39, 42, 45, 63, 65, 70, 74, 78, 90, 91, 105, 111, 117, 126, 130, 182, 185, 195, 210, 222, 234, 259, 273, 315, 333, 370, 390, 455, 481, 518, 546, 555, 585, 630, 666, 777, 809, 819, 910, 962, 1110, 1170, 1295, 1365, 1443, 1554, 1618, 1638, 1665, 2331, 2405, 2427, 2590, 2730, 2886, 3330, 3367, 3885, 4045, 4095, 4329, 4662, 4810, 4854, 5663, 6734, 7215, 7281, 7770, 8090, 8190, 8658, 10101, 10517, 11326, 11655, 12135, 14430, 14562, 16835, 16989, 20202, 21034, 21645, 23310, 24270, 28315, 29933, 30303, 31551, 33670, 33978, 36405, 43290, 50505, 50967, 52585, 56630, 59866, 60606, 63102, 72810, 73619, 84945, 89799, 94653, 101010, 101934, 105170, 147238, 149665, 151515, 157755, 169890, 179598, 189306, 209531, 220857, 254835, 269397, 299330, 303030, 315510, 368095, 389129, 419062, 441714, 448995, 473265, 509670, 538794, 628593, 662571, 736190, 778258, 897990, 946530, 1047655, 1104285, 1167387, 1257186, 1325142, 1346985, 1885779, 1945645, 2095310, 2208570, 2334774, 2693970, 2723903, 3142965, 3312855, 3502161, 3771558, 3891290, 5447806, 5836935, 6285930, 6625710, 7004322, 8171709, 9428895, 11673870, 13619515, 16343418, 17510805, 18857790, 24515127, 27239030, 35021610, 40858545, 49030254, 81717090, 122575635, 245151270]

約数ペア:

[(1, 245151270), (2, 122575635), (3, 81717090), (5, 49030254), (6, 40858545), (7, 35021610), (9, 27239030), (10, 24515127), (13, 18857790), (14, 17510805), (15, 16343418), (18, 13619515), (21, 11673870), (26, 9428895), (30, 8171709), (35, 7004322), (37, 6625710), (39, 6285930), (42, 5836935), (45, 5447806), (63, 3891290), (65, 3771558), (70, 3502161), (74, 3312855), (78, 3142965), (90, 2723903), (91, 2693970), (105, 2334774), (111, 2208570), (117, 2095310), (126, 1945645), (130, 1885779), (182, 1346985), (185, 1325142), (195, 1257186), (210, 1167387), (222, 1104285), (234, 1047655), (259, 946530), (273, 897990), (315, 778258), (333, 736190), (370, 662571), (390, 628593), (455, 538794), (481, 509670), (518, 473265), (546, 448995), (555, 441714), (585, 419062), (630, 389129), (666, 368095), (777, 315510), (809, 303030), (819, 299330), (910, 269397), (962, 254835), (1110, 220857), (1170, 209531), (1295, 189306), (1365, 179598), (1443, 169890), (1554, 157755), (1618, 151515), (1638, 149665), (1665, 147238), (2331, 105170), (2405, 101934), (2427, 101010), (2590, 94653), (2730, 89799), (2886, 84945), (3330, 73619), (3367, 72810), (3885, 63102), (4045, 60606), (4095, 59866), (4329, 56630), (4662, 52585), (4810, 50967), (4854, 50505), (5663, 43290), (6734, 36405), (7215, 33978), (7281, 33670), (7770, 31551), (8090, 30303), (8190, 29933), (8658, 28315), (10101, 24270), (10517, 23310), (11326, 21645), (11655, 21034), (12135, 20202), (14430, 16989), (14562, 16835)]