1281371360

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{6301}}^1$

素因数の和:6388

約数の個数: 96

約数和(自身を含む): 3201617664

約数和(自身を除く): 1920246304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 62, 80, 82, 124, 155, 160, 164, 205, 248, 310, 328, 410, 496, 620, 656, 820, 992, 1240, 1271, 1312, 1640, 2480, 2542, 3280, 4960, 5084, 6301, 6355, 6560, 10168, 12602, 12710, 20336, 25204, 25420, 31505, 40672, 50408, 50840, 63010, 100816, 101680, 126020, 195331, 201632, 203360, 252040, 258341, 390662, 504080, 516682, 781324, 976655, 1008160, 1033364, 1291705, 1562648, 1953310, 2066728, 2583410, 3125296, 3906620, 4133456, 5166820, 6250592, 7813240, 8008571, 8266912, 10333640, 15626480, 16017142, 20667280, 31252960, 32034284, 40042855, 41334560, 64068568, 80085710, 128137136, 160171420, 256274272, 320342840, 640685680, 1281371360]

約数ペア:

[(1, 1281371360), (2, 640685680), (4, 320342840), (5, 256274272), (8, 160171420), (10, 128137136), (16, 80085710), (20, 64068568), (31, 41334560), (32, 40042855), (40, 32034284), (41, 31252960), (62, 20667280), (80, 16017142), (82, 15626480), (124, 10333640), (155, 8266912), (160, 8008571), (164, 7813240), (205, 6250592), (248, 5166820), (310, 4133456), (328, 3906620), (410, 3125296), (496, 2583410), (620, 2066728), (656, 1953310), (820, 1562648), (992, 1291705), (1240, 1033364), (1271, 1008160), (1312, 976655), (1640, 781324), (2480, 516682), (2542, 504080), (3280, 390662), (4960, 258341), (5084, 252040), (6301, 203360), (6355, 201632), (6560, 195331), (10168, 126020), (12602, 101680), (12710, 100816), (20336, 63010), (25204, 50840), (25420, 50408), (31505, 40672)]