12812280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:261

約数の個数: 128

約数和(自身を含む): 42577920

約数和(自身を除く): 29765640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 43, 52, 60, 65, 78, 86, 104, 120, 129, 130, 156, 172, 191, 195, 215, 258, 260, 312, 344, 382, 390, 430, 516, 520, 559, 573, 645, 764, 780, 860, 955, 1032, 1118, 1146, 1290, 1528, 1560, 1677, 1720, 1910, 2236, 2292, 2483, 2580, 2795, 2865, 3354, 3820, 4472, 4584, 4966, 5160, 5590, 5730, 6708, 7449, 7640, 8213, 8385, 9932, 11180, 11460, 12415, 13416, 14898, 16426, 16770, 19864, 22360, 22920, 24639, 24830, 29796, 32852, 33540, 37245, 41065, 49278, 49660, 59592, 65704, 67080, 74490, 82130, 98556, 99320, 106769, 123195, 148980, 164260, 197112, 213538, 246390, 297960, 320307, 328520, 427076, 492780, 533845, 640614, 854152, 985560, 1067690, 1281228, 1601535, 2135380, 2562456, 3203070, 4270760, 6406140, 12812280]

約数ペア:

[(1, 12812280), (2, 6406140), (3, 4270760), (4, 3203070), (5, 2562456), (6, 2135380), (8, 1601535), (10, 1281228), (12, 1067690), (13, 985560), (15, 854152), (20, 640614), (24, 533845), (26, 492780), (30, 427076), (39, 328520), (40, 320307), (43, 297960), (52, 246390), (60, 213538), (65, 197112), (78, 164260), (86, 148980), (104, 123195), (120, 106769), (129, 99320), (130, 98556), (156, 82130), (172, 74490), (191, 67080), (195, 65704), (215, 59592), (258, 49660), (260, 49278), (312, 41065), (344, 37245), (382, 33540), (390, 32852), (430, 29796), (516, 24830), (520, 24639), (559, 22920), (573, 22360), (645, 19864), (764, 16770), (780, 16426), (860, 14898), (955, 13416), (1032, 12415), (1118, 11460), (1146, 11180), (1290, 9932), (1528, 8385), (1560, 8213), (1677, 7640), (1720, 7449), (1910, 6708), (2236, 5730), (2292, 5590), (2483, 5160), (2580, 4966), (2795, 4584), (2865, 4472), (3354, 3820)]