31600920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{431}}^1$

素因数の和:505

約数の個数: 128

約数和(自身を含む): 104509440

約数和(自身を除く): 72908520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 47, 52, 60, 65, 78, 94, 104, 120, 130, 141, 156, 188, 195, 235, 260, 282, 312, 376, 390, 431, 470, 520, 564, 611, 705, 780, 862, 940, 1128, 1222, 1293, 1410, 1560, 1724, 1833, 1880, 2155, 2444, 2586, 2820, 3055, 3448, 3666, 4310, 4888, 5172, 5603, 5640, 6110, 6465, 7332, 8620, 9165, 10344, 11206, 12220, 12930, 14664, 16809, 17240, 18330, 20257, 22412, 24440, 25860, 28015, 33618, 36660, 40514, 44824, 51720, 56030, 60771, 67236, 73320, 81028, 84045, 101285, 112060, 121542, 134472, 162056, 168090, 202570, 224120, 243084, 263341, 303855, 336180, 405140, 486168, 526682, 607710, 672360, 790023, 810280, 1053364, 1215420, 1316705, 1580046, 2106728, 2430840, 2633410, 3160092, 3950115, 5266820, 6320184, 7900230, 10533640, 15800460, 31600920]

約数ペア:

[(1, 31600920), (2, 15800460), (3, 10533640), (4, 7900230), (5, 6320184), (6, 5266820), (8, 3950115), (10, 3160092), (12, 2633410), (13, 2430840), (15, 2106728), (20, 1580046), (24, 1316705), (26, 1215420), (30, 1053364), (39, 810280), (40, 790023), (47, 672360), (52, 607710), (60, 526682), (65, 486168), (78, 405140), (94, 336180), (104, 303855), (120, 263341), (130, 243084), (141, 224120), (156, 202570), (188, 168090), (195, 162056), (235, 134472), (260, 121542), (282, 112060), (312, 101285), (376, 84045), (390, 81028), (431, 73320), (470, 67236), (520, 60771), (564, 56030), (611, 51720), (705, 44824), (780, 40514), (862, 36660), (940, 33618), (1128, 28015), (1222, 25860), (1293, 24440), (1410, 22412), (1560, 20257), (1724, 18330), (1833, 17240), (1880, 16809), (2155, 14664), (2444, 12930), (2586, 12220), (2820, 11206), (3055, 10344), (3448, 9165), (3666, 8620), (4310, 7332), (4888, 6465), (5172, 6110), (5603, 5640)]