8720400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{43}}^1$

素因数の和:90

約数の個数: 180

約数和(自身を含む): 30951888

約数和(自身を除く): 22231488

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 39, 40, 43, 48, 50, 52, 60, 65, 75, 78, 80, 86, 100, 104, 120, 129, 130, 150, 156, 169, 172, 195, 200, 208, 215, 240, 258, 260, 300, 312, 325, 338, 344, 390, 400, 430, 507, 516, 520, 559, 600, 624, 645, 650, 676, 688, 780, 845, 860, 975, 1014, 1032, 1040, 1075, 1118, 1200, 1290, 1300, 1352, 1560, 1677, 1690, 1720, 1950, 2028, 2064, 2150, 2236, 2535, 2580, 2600, 2704, 2795, 3120, 3225, 3354, 3380, 3440, 3900, 4056, 4225, 4300, 4472, 5070, 5160, 5200, 5590, 6450, 6708, 6760, 7267, 7800, 8112, 8385, 8450, 8600, 8944, 10140, 10320, 11180, 12675, 12900, 13416, 13520, 13975, 14534, 15600, 16770, 16900, 17200, 20280, 21801, 22360, 25350, 25800, 26832, 27950, 29068, 33540, 33800, 36335, 40560, 41925, 43602, 44720, 50700, 51600, 55900, 58136, 67080, 67600, 72670, 83850, 87204, 101400, 109005, 111800, 116272, 134160, 145340, 167700, 174408, 181675, 202800, 218010, 223600, 290680, 335400, 348816, 363350, 436020, 545025, 581360, 670800, 726700, 872040, 1090050, 1453400, 1744080, 2180100, 2906800, 4360200, 8720400]

約数ペア:

[(1, 8720400), (2, 4360200), (3, 2906800), (4, 2180100), (5, 1744080), (6, 1453400), (8, 1090050), (10, 872040), (12, 726700), (13, 670800), (15, 581360), (16, 545025), (20, 436020), (24, 363350), (25, 348816), (26, 335400), (30, 290680), (39, 223600), (40, 218010), (43, 202800), (48, 181675), (50, 174408), (52, 167700), (60, 145340), (65, 134160), (75, 116272), (78, 111800), (80, 109005), (86, 101400), (100, 87204), (104, 83850), (120, 72670), (129, 67600), (130, 67080), (150, 58136), (156, 55900), (169, 51600), (172, 50700), (195, 44720), (200, 43602), (208, 41925), (215, 40560), (240, 36335), (258, 33800), (260, 33540), (300, 29068), (312, 27950), (325, 26832), (338, 25800), (344, 25350), (390, 22360), (400, 21801), (430, 20280), (507, 17200), (516, 16900), (520, 16770), (559, 15600), (600, 14534), (624, 13975), (645, 13520), (650, 13416), (676, 12900), (688, 12675), (780, 11180), (845, 10320), (860, 10140), (975, 8944), (1014, 8600), (1032, 8450), (1040, 8385), (1075, 8112), (1118, 7800), (1200, 7267), (1290, 6760), (1300, 6708), (1352, 6450), (1560, 5590), (1677, 5200), (1690, 5160), (1720, 5070), (1950, 4472), (2028, 4300), (2064, 4225), (2150, 4056), (2236, 3900), (2535, 3440), (2580, 3380), (2600, 3354), (2704, 3225), (2795, 3120)]