201718920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{677}}^1$

素因数の和:895

約数の個数: 128

約数和(自身を含む): 656087040

約数和(自身を除く): 454368120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 191, 195, 260, 312, 382, 390, 520, 573, 677, 764, 780, 955, 1146, 1354, 1528, 1560, 1910, 2031, 2292, 2483, 2708, 2865, 3385, 3820, 4062, 4584, 4966, 5416, 5730, 6770, 7449, 7640, 8124, 8801, 9932, 10155, 11460, 12415, 13540, 14898, 16248, 17602, 19864, 20310, 22920, 24830, 26403, 27080, 29796, 35204, 37245, 40620, 44005, 49660, 52806, 59592, 70408, 74490, 81240, 88010, 99320, 105612, 129307, 132015, 148980, 176020, 211224, 258614, 264030, 297960, 352040, 387921, 517228, 528060, 646535, 775842, 1034456, 1056120, 1293070, 1551684, 1680991, 1939605, 2586140, 3103368, 3361982, 3879210, 5042973, 5172280, 6723964, 7758420, 8404955, 10085946, 13447928, 15516840, 16809910, 20171892, 25214865, 33619820, 40343784, 50429730, 67239640, 100859460, 201718920]

約数ペア:

[(1, 201718920), (2, 100859460), (3, 67239640), (4, 50429730), (5, 40343784), (6, 33619820), (8, 25214865), (10, 20171892), (12, 16809910), (13, 15516840), (15, 13447928), (20, 10085946), (24, 8404955), (26, 7758420), (30, 6723964), (39, 5172280), (40, 5042973), (52, 3879210), (60, 3361982), (65, 3103368), (78, 2586140), (104, 1939605), (120, 1680991), (130, 1551684), (156, 1293070), (191, 1056120), (195, 1034456), (260, 775842), (312, 646535), (382, 528060), (390, 517228), (520, 387921), (573, 352040), (677, 297960), (764, 264030), (780, 258614), (955, 211224), (1146, 176020), (1354, 148980), (1528, 132015), (1560, 129307), (1910, 105612), (2031, 99320), (2292, 88010), (2483, 81240), (2708, 74490), (2865, 70408), (3385, 59592), (3820, 52806), (4062, 49660), (4584, 44005), (4966, 40620), (5416, 37245), (5730, 35204), (6770, 29796), (7449, 27080), (7640, 26403), (8124, 24830), (8801, 22920), (9932, 20310), (10155, 19864), (11460, 17602), (12415, 16248), (13540, 14898)]