31078680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1$

素因数の和:393

約数の個数: 128

約数和(自身を含む): 100742400

約数和(自身を除く): 69663720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 43, 57, 60, 76, 86, 95, 114, 120, 129, 152, 172, 190, 215, 228, 258, 285, 317, 344, 380, 430, 456, 516, 570, 634, 645, 760, 817, 860, 951, 1032, 1140, 1268, 1290, 1585, 1634, 1720, 1902, 2280, 2451, 2536, 2580, 3170, 3268, 3804, 4085, 4755, 4902, 5160, 6023, 6340, 6536, 7608, 8170, 9510, 9804, 12046, 12255, 12680, 13631, 16340, 18069, 19020, 19608, 24092, 24510, 27262, 30115, 32680, 36138, 38040, 40893, 48184, 49020, 54524, 60230, 68155, 72276, 81786, 90345, 98040, 109048, 120460, 136310, 144552, 163572, 180690, 204465, 240920, 258989, 272620, 327144, 361380, 408930, 517978, 545240, 722760, 776967, 817860, 1035956, 1294945, 1553934, 1635720, 2071912, 2589890, 3107868, 3884835, 5179780, 6215736, 7769670, 10359560, 15539340, 31078680]

約数ペア:

[(1, 31078680), (2, 15539340), (3, 10359560), (4, 7769670), (5, 6215736), (6, 5179780), (8, 3884835), (10, 3107868), (12, 2589890), (15, 2071912), (19, 1635720), (20, 1553934), (24, 1294945), (30, 1035956), (38, 817860), (40, 776967), (43, 722760), (57, 545240), (60, 517978), (76, 408930), (86, 361380), (95, 327144), (114, 272620), (120, 258989), (129, 240920), (152, 204465), (172, 180690), (190, 163572), (215, 144552), (228, 136310), (258, 120460), (285, 109048), (317, 98040), (344, 90345), (380, 81786), (430, 72276), (456, 68155), (516, 60230), (570, 54524), (634, 49020), (645, 48184), (760, 40893), (817, 38040), (860, 36138), (951, 32680), (1032, 30115), (1140, 27262), (1268, 24510), (1290, 24092), (1585, 19608), (1634, 19020), (1720, 18069), (1902, 16340), (2280, 13631), (2451, 12680), (2536, 12255), (2580, 12046), (3170, 9804), (3268, 9510), (3804, 8170), (4085, 7608), (4755, 6536), (4902, 6340), (5160, 6023)]