1396378880

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2707}}^1$

素因数の和:2772

約数の個数: 144

約数和(自身を含む): 3719622144

約数和(自身を除く): 2323243264

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 248, 256, 260, 310, 320, 403, 416, 496, 520, 620, 640, 806, 832, 992, 1040, 1240, 1280, 1612, 1664, 1984, 2015, 2080, 2480, 2707, 3224, 3328, 3968, 4030, 4160, 4960, 5414, 6448, 7936, 8060, 8320, 9920, 10828, 12896, 13535, 16120, 16640, 19840, 21656, 25792, 27070, 32240, 35191, 39680, 43312, 51584, 54140, 64480, 70382, 83917, 86624, 103168, 108280, 128960, 140764, 167834, 173248, 175955, 216560, 257920, 281528, 335668, 346496, 351910, 419585, 433120, 515840, 563056, 671336, 692992, 703820, 839170, 866240, 1090921, 1126112, 1342672, 1407640, 1678340, 1732480, 2181842, 2252224, 2685344, 2815280, 3356680, 3464960, 4363684, 4504448, 5370688, 5454605, 5630560, 6713360, 8727368, 9008896, 10741376, 10909210, 11261120, 13426720, 17454736, 21482752, 21818420, 22522240, 26853440, 34909472, 43636840, 45044480, 53706880, 69818944, 87273680, 107413760, 139637888, 174547360, 279275776, 349094720, 698189440, 1396378880]

約数ペア:

[(1, 1396378880), (2, 698189440), (4, 349094720), (5, 279275776), (8, 174547360), (10, 139637888), (13, 107413760), (16, 87273680), (20, 69818944), (26, 53706880), (31, 45044480), (32, 43636840), (40, 34909472), (52, 26853440), (62, 22522240), (64, 21818420), (65, 21482752), (80, 17454736), (104, 13426720), (124, 11261120), (128, 10909210), (130, 10741376), (155, 9008896), (160, 8727368), (208, 6713360), (248, 5630560), (256, 5454605), (260, 5370688), (310, 4504448), (320, 4363684), (403, 3464960), (416, 3356680), (496, 2815280), (520, 2685344), (620, 2252224), (640, 2181842), (806, 1732480), (832, 1678340), (992, 1407640), (1040, 1342672), (1240, 1126112), (1280, 1090921), (1612, 866240), (1664, 839170), (1984, 703820), (2015, 692992), (2080, 671336), (2480, 563056), (2707, 515840), (3224, 433120), (3328, 419585), (3968, 351910), (4030, 346496), (4160, 335668), (4960, 281528), (5414, 257920), (6448, 216560), (7936, 175955), (8060, 173248), (8320, 167834), (9920, 140764), (10828, 128960), (12896, 108280), (13535, 103168), (16120, 86624), (16640, 83917), (19840, 70382), (21656, 64480), (25792, 54140), (27070, 51584), (32240, 43312), (35191, 39680)]