80240940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{647}}^1$

素因数の和:728

約数の個数: 144

約数和(自身を含む): 267478848

約数和(自身を除く): 187237908

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 53, 60, 65, 78, 90, 106, 117, 130, 156, 159, 180, 195, 212, 234, 260, 265, 318, 390, 468, 477, 530, 585, 636, 647, 689, 780, 795, 954, 1060, 1170, 1294, 1378, 1590, 1908, 1941, 2067, 2340, 2385, 2588, 2756, 3180, 3235, 3445, 3882, 4134, 4770, 5823, 6201, 6470, 6890, 7764, 8268, 8411, 9540, 9705, 10335, 11646, 12402, 12940, 13780, 16822, 19410, 20670, 23292, 24804, 25233, 29115, 31005, 33644, 34291, 38820, 41340, 42055, 50466, 58230, 62010, 68582, 75699, 84110, 100932, 102873, 116460, 124020, 126165, 137164, 151398, 168220, 171455, 205746, 252330, 302796, 308619, 342910, 378495, 411492, 445783, 504660, 514365, 617238, 685820, 756990, 891566, 1028730, 1234476, 1337349, 1513980, 1543095, 1783132, 2057460, 2228915, 2674698, 3086190, 4012047, 4457830, 5349396, 6172380, 6686745, 8024094, 8915660, 13373490, 16048188, 20060235, 26746980, 40120470, 80240940]

約数ペア:

[(1, 80240940), (2, 40120470), (3, 26746980), (4, 20060235), (5, 16048188), (6, 13373490), (9, 8915660), (10, 8024094), (12, 6686745), (13, 6172380), (15, 5349396), (18, 4457830), (20, 4012047), (26, 3086190), (30, 2674698), (36, 2228915), (39, 2057460), (45, 1783132), (52, 1543095), (53, 1513980), (60, 1337349), (65, 1234476), (78, 1028730), (90, 891566), (106, 756990), (117, 685820), (130, 617238), (156, 514365), (159, 504660), (180, 445783), (195, 411492), (212, 378495), (234, 342910), (260, 308619), (265, 302796), (318, 252330), (390, 205746), (468, 171455), (477, 168220), (530, 151398), (585, 137164), (636, 126165), (647, 124020), (689, 116460), (780, 102873), (795, 100932), (954, 84110), (1060, 75699), (1170, 68582), (1294, 62010), (1378, 58230), (1590, 50466), (1908, 42055), (1941, 41340), (2067, 38820), (2340, 34291), (2385, 33644), (2588, 31005), (2756, 29115), (3180, 25233), (3235, 24804), (3445, 23292), (3882, 20670), (4134, 19410), (4770, 16822), (5823, 13780), (6201, 12940), (6470, 12402), (6890, 11646), (7764, 10335), (8268, 9705), (8411, 9540)]