764771640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1\times {\mathrm{547}}^1$

素因数の和:813

約数の個数: 128

約数和(自身を含む): 2348421120

約数和(自身を除く): 1583649480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 183, 191, 244, 305, 366, 382, 488, 547, 573, 610, 732, 764, 915, 955, 1094, 1146, 1220, 1464, 1528, 1641, 1830, 1910, 2188, 2292, 2440, 2735, 2865, 3282, 3660, 3820, 4376, 4584, 5470, 5730, 6564, 7320, 7640, 8205, 10940, 11460, 11651, 13128, 16410, 21880, 22920, 23302, 32820, 33367, 34953, 46604, 58255, 65640, 66734, 69906, 93208, 100101, 104477, 116510, 133468, 139812, 166835, 174765, 200202, 208954, 233020, 266936, 279624, 313431, 333670, 349530, 400404, 417908, 466040, 500505, 522385, 626862, 667340, 699060, 800808, 835816, 1001010, 1044770, 1253724, 1334680, 1398120, 1567155, 2002020, 2089540, 2507448, 3134310, 4004040, 4179080, 6268620, 6373097, 12537240, 12746194, 19119291, 25492388, 31865485, 38238582, 50984776, 63730970, 76477164, 95596455, 127461940, 152954328, 191192910, 254923880, 382385820, 764771640]

約数ペア:

[(1, 764771640), (2, 382385820), (3, 254923880), (4, 191192910), (5, 152954328), (6, 127461940), (8, 95596455), (10, 76477164), (12, 63730970), (15, 50984776), (20, 38238582), (24, 31865485), (30, 25492388), (40, 19119291), (60, 12746194), (61, 12537240), (120, 6373097), (122, 6268620), (183, 4179080), (191, 4004040), (244, 3134310), (305, 2507448), (366, 2089540), (382, 2002020), (488, 1567155), (547, 1398120), (573, 1334680), (610, 1253724), (732, 1044770), (764, 1001010), (915, 835816), (955, 800808), (1094, 699060), (1146, 667340), (1220, 626862), (1464, 522385), (1528, 500505), (1641, 466040), (1830, 417908), (1910, 400404), (2188, 349530), (2292, 333670), (2440, 313431), (2735, 279624), (2865, 266936), (3282, 233020), (3660, 208954), (3820, 200202), (4376, 174765), (4584, 166835), (5470, 139812), (5730, 133468), (6564, 116510), (7320, 104477), (7640, 100101), (8205, 93208), (10940, 69906), (11460, 66734), (11651, 65640), (13128, 58255), (16410, 46604), (21880, 34953), (22920, 33367), (23302, 32820)]