31293990

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3821}}^1$

素因数の和:3854

約数の個数: 96

約数和(自身を含む): 100166976

約数和(自身を除く): 68872986

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 30, 35, 39, 42, 45, 63, 65, 70, 78, 90, 91, 105, 117, 126, 130, 182, 195, 210, 234, 273, 315, 390, 455, 546, 585, 630, 819, 910, 1170, 1365, 1638, 2730, 3821, 4095, 7642, 8190, 11463, 19105, 22926, 26747, 34389, 38210, 49673, 53494, 57315, 68778, 80241, 99346, 114630, 133735, 149019, 160482, 171945, 240723, 248365, 267470, 298038, 343890, 347711, 401205, 447057, 481446, 496730, 695422, 745095, 802410, 894114, 1043133, 1203615, 1490190, 1738555, 2086266, 2235285, 2407230, 3129399, 3477110, 4470570, 5215665, 6258798, 10431330, 15646995, 31293990]

約数ペア:

[(1, 31293990), (2, 15646995), (3, 10431330), (5, 6258798), (6, 5215665), (7, 4470570), (9, 3477110), (10, 3129399), (13, 2407230), (14, 2235285), (15, 2086266), (18, 1738555), (21, 1490190), (26, 1203615), (30, 1043133), (35, 894114), (39, 802410), (42, 745095), (45, 695422), (63, 496730), (65, 481446), (70, 447057), (78, 401205), (90, 347711), (91, 343890), (105, 298038), (117, 267470), (126, 248365), (130, 240723), (182, 171945), (195, 160482), (210, 149019), (234, 133735), (273, 114630), (315, 99346), (390, 80241), (455, 68778), (546, 57315), (585, 53494), (630, 49673), (819, 38210), (910, 34389), (1170, 26747), (1365, 22926), (1638, 19105), (2730, 11463), (3821, 8190), (4095, 7642)]