1256285680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{463}}^1\times {\mathrm{2609}}^1$

素因数の和:3098

約数の個数: 80

約数和(自身を含む): 3153548160

約数和(自身を除く): 1897262480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 463, 520, 926, 1040, 1852, 2315, 2609, 3704, 4630, 5218, 6019, 7408, 9260, 10436, 12038, 13045, 18520, 20872, 24076, 26090, 30095, 33917, 37040, 41744, 48152, 52180, 60190, 67834, 96304, 104360, 120380, 135668, 169585, 208720, 240760, 271336, 339170, 481520, 542672, 678340, 1207967, 1356680, 2415934, 2713360, 4831868, 6039835, 9663736, 12079670, 15703571, 19327472, 24159340, 31407142, 48318680, 62814284, 78517855, 96637360, 125628568, 157035710, 251257136, 314071420, 628142840, 1256285680]

約数ペア:

[(1, 1256285680), (2, 628142840), (4, 314071420), (5, 251257136), (8, 157035710), (10, 125628568), (13, 96637360), (16, 78517855), (20, 62814284), (26, 48318680), (40, 31407142), (52, 24159340), (65, 19327472), (80, 15703571), (104, 12079670), (130, 9663736), (208, 6039835), (260, 4831868), (463, 2713360), (520, 2415934), (926, 1356680), (1040, 1207967), (1852, 678340), (2315, 542672), (2609, 481520), (3704, 339170), (4630, 271336), (5218, 240760), (6019, 208720), (7408, 169585), (9260, 135668), (10436, 120380), (12038, 104360), (13045, 96304), (18520, 67834), (20872, 60190), (24076, 52180), (26090, 48152), (30095, 41744), (33917, 37040)]