31253820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2357}}^1$

素因数の和:2399

約数の個数: 96

約数和(自身を含む): 99828288

約数和(自身を除く): 68574468

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 20, 26, 30, 34, 39, 51, 52, 60, 65, 68, 78, 85, 102, 130, 156, 170, 195, 204, 221, 255, 260, 340, 390, 442, 510, 663, 780, 884, 1020, 1105, 1326, 2210, 2357, 2652, 3315, 4420, 4714, 6630, 7071, 9428, 11785, 13260, 14142, 23570, 28284, 30641, 35355, 40069, 47140, 61282, 70710, 80138, 91923, 120207, 122564, 141420, 153205, 160276, 183846, 200345, 240414, 306410, 367692, 400690, 459615, 480828, 520897, 601035, 612820, 801380, 919230, 1041794, 1202070, 1562691, 1838460, 2083588, 2404140, 2604485, 3125382, 5208970, 6250764, 7813455, 10417940, 15626910, 31253820]

約数ペア:

[(1, 31253820), (2, 15626910), (3, 10417940), (4, 7813455), (5, 6250764), (6, 5208970), (10, 3125382), (12, 2604485), (13, 2404140), (15, 2083588), (17, 1838460), (20, 1562691), (26, 1202070), (30, 1041794), (34, 919230), (39, 801380), (51, 612820), (52, 601035), (60, 520897), (65, 480828), (68, 459615), (78, 400690), (85, 367692), (102, 306410), (130, 240414), (156, 200345), (170, 183846), (195, 160276), (204, 153205), (221, 141420), (255, 122564), (260, 120207), (340, 91923), (390, 80138), (442, 70710), (510, 61282), (663, 47140), (780, 40069), (884, 35355), (1020, 30641), (1105, 28284), (1326, 23570), (2210, 14142), (2357, 13260), (2652, 11785), (3315, 9428), (4420, 7071), (4714, 6630)]