655631860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1$

素因数の和:306

約数の個数: 192

約数和(自身を含む): 1705294080

約数和(自身を除く): 1049662220

約数列:

[1, 2, 4, 5, 10, 13, 17, 19, 20, 26, 34, 37, 38, 52, 65, 68, 74, 76, 85, 95, 130, 148, 170, 185, 190, 211, 221, 247, 260, 323, 340, 370, 380, 422, 442, 481, 494, 629, 646, 703, 740, 844, 884, 962, 988, 1055, 1105, 1235, 1258, 1292, 1406, 1615, 1924, 2110, 2210, 2405, 2470, 2516, 2743, 2812, 3145, 3230, 3515, 3587, 4009, 4199, 4220, 4420, 4810, 4940, 5486, 6290, 6460, 7030, 7174, 7807, 8018, 8177, 8398, 9139, 9620, 10972, 11951, 12580, 13715, 14060, 14348, 15614, 16036, 16354, 16796, 17935, 18278, 20045, 20995, 23902, 27430, 31228, 32708, 35870, 36556, 39035, 40090, 40885, 41990, 45695, 46631, 47804, 52117, 54860, 59755, 68153, 71740, 78070, 80180, 81770, 83980, 91390, 93262, 101491, 104234, 119510, 132719, 136306, 148333, 155363, 156140, 163540, 182780, 186524, 202982, 208468, 233155, 239020, 260585, 265438, 272612, 296666, 310726, 340765, 405964, 466310, 507455, 521170, 530876, 593332, 621452, 663595, 681530, 741665, 776815, 885989, 932620, 1014910, 1042340, 1327190, 1363060, 1483330, 1553630, 1725347, 1771978, 1928329, 2029820, 2521661, 2654380, 2966660, 3107260, 3450694, 3543956, 3856658, 4429945, 5043322, 6901388, 7713316, 8626735, 8859890, 9641645, 10086644, 12608305, 17253470, 17719780, 19283290, 25216610, 32781593, 34506940, 38566580, 50433220, 65563186, 131126372, 163907965, 327815930, 655631860]

約数ペア:

[(1, 655631860), (2, 327815930), (4, 163907965), (5, 131126372), (10, 65563186), (13, 50433220), (17, 38566580), (19, 34506940), (20, 32781593), (26, 25216610), (34, 19283290), (37, 17719780), (38, 17253470), (52, 12608305), (65, 10086644), (68, 9641645), (74, 8859890), (76, 8626735), (85, 7713316), (95, 6901388), (130, 5043322), (148, 4429945), (170, 3856658), (185, 3543956), (190, 3450694), (211, 3107260), (221, 2966660), (247, 2654380), (260, 2521661), (323, 2029820), (340, 1928329), (370, 1771978), (380, 1725347), (422, 1553630), (442, 1483330), (481, 1363060), (494, 1327190), (629, 1042340), (646, 1014910), (703, 932620), (740, 885989), (844, 776815), (884, 741665), (962, 681530), (988, 663595), (1055, 621452), (1105, 593332), (1235, 530876), (1258, 521170), (1292, 507455), (1406, 466310), (1615, 405964), (1924, 340765), (2110, 310726), (2210, 296666), (2405, 272612), (2470, 265438), (2516, 260585), (2743, 239020), (2812, 233155), (3145, 208468), (3230, 202982), (3515, 186524), (3587, 182780), (4009, 163540), (4199, 156140), (4220, 155363), (4420, 148333), (4810, 136306), (4940, 132719), (5486, 119510), (6290, 104234), (6460, 101491), (7030, 93262), (7174, 91390), (7807, 83980), (8018, 81770), (8177, 80180), (8398, 78070), (9139, 71740), (9620, 68153), (10972, 59755), (11951, 54860), (12580, 52117), (13715, 47804), (14060, 46631), (14348, 45695), (15614, 41990), (16036, 40885), (16354, 40090), (16796, 39035), (17935, 36556), (18278, 35870), (20045, 32708), (20995, 31228), (23902, 27430)]