81909360

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2917}}^1$

素因数の和:2952

約数の個数: 160

約数和(自身を含む): 303938880

約数和(自身を除く): 222029520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 90, 104, 108, 117, 120, 130, 135, 144, 156, 180, 195, 208, 216, 234, 240, 260, 270, 312, 351, 360, 390, 432, 468, 520, 540, 585, 624, 702, 720, 780, 936, 1040, 1080, 1170, 1404, 1560, 1755, 1872, 2160, 2340, 2808, 2917, 3120, 3510, 4680, 5616, 5834, 7020, 8751, 9360, 11668, 14040, 14585, 17502, 23336, 26253, 28080, 29170, 35004, 37921, 43755, 46672, 52506, 58340, 70008, 75842, 78759, 87510, 105012, 113763, 116680, 131265, 140016, 151684, 157518, 175020, 189605, 210024, 227526, 233360, 262530, 303368, 315036, 341289, 350040, 379210, 393795, 420048, 455052, 525060, 568815, 606736, 630072, 682578, 700080, 758420, 787590, 910104, 1023867, 1050120, 1137630, 1260144, 1365156, 1516840, 1575180, 1706445, 1820208, 2047734, 2100240, 2275260, 2730312, 3033680, 3150360, 3412890, 4095468, 4550520, 5119335, 5460624, 6300720, 6825780, 8190936, 9101040, 10238670, 13651560, 16381872, 20477340, 27303120, 40954680, 81909360]

約数ペア:

[(1, 81909360), (2, 40954680), (3, 27303120), (4, 20477340), (5, 16381872), (6, 13651560), (8, 10238670), (9, 9101040), (10, 8190936), (12, 6825780), (13, 6300720), (15, 5460624), (16, 5119335), (18, 4550520), (20, 4095468), (24, 3412890), (26, 3150360), (27, 3033680), (30, 2730312), (36, 2275260), (39, 2100240), (40, 2047734), (45, 1820208), (48, 1706445), (52, 1575180), (54, 1516840), (60, 1365156), (65, 1260144), (72, 1137630), (78, 1050120), (80, 1023867), (90, 910104), (104, 787590), (108, 758420), (117, 700080), (120, 682578), (130, 630072), (135, 606736), (144, 568815), (156, 525060), (180, 455052), (195, 420048), (208, 393795), (216, 379210), (234, 350040), (240, 341289), (260, 315036), (270, 303368), (312, 262530), (351, 233360), (360, 227526), (390, 210024), (432, 189605), (468, 175020), (520, 157518), (540, 151684), (585, 140016), (624, 131265), (702, 116680), (720, 113763), (780, 105012), (936, 87510), (1040, 78759), (1080, 75842), (1170, 70008), (1404, 58340), (1560, 52506), (1755, 46672), (1872, 43755), (2160, 37921), (2340, 35004), (2808, 29170), (2917, 28080), (3120, 26253), (3510, 23336), (4680, 17502), (5616, 14585), (5834, 14040), (7020, 11668), (8751, 9360)]