1625640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:87

約数の個数: 128

約数和(自身を含む): 5529600

約数和(自身を除く): 3903960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 23, 24, 30, 31, 38, 40, 46, 57, 60, 62, 69, 76, 92, 93, 95, 114, 115, 120, 124, 138, 152, 155, 184, 186, 190, 228, 230, 248, 276, 285, 310, 345, 372, 380, 437, 456, 460, 465, 552, 570, 589, 620, 690, 713, 744, 760, 874, 920, 930, 1140, 1178, 1240, 1311, 1380, 1426, 1748, 1767, 1860, 2139, 2185, 2280, 2356, 2622, 2760, 2852, 2945, 3496, 3534, 3565, 3720, 4278, 4370, 4712, 5244, 5704, 5890, 6555, 7068, 7130, 8556, 8740, 8835, 10488, 10695, 11780, 13110, 13547, 14136, 14260, 17112, 17480, 17670, 21390, 23560, 26220, 27094, 28520, 35340, 40641, 42780, 52440, 54188, 67735, 70680, 81282, 85560, 108376, 135470, 162564, 203205, 270940, 325128, 406410, 541880, 812820, 1625640]

約数ペア:

[(1, 1625640), (2, 812820), (3, 541880), (4, 406410), (5, 325128), (6, 270940), (8, 203205), (10, 162564), (12, 135470), (15, 108376), (19, 85560), (20, 81282), (23, 70680), (24, 67735), (30, 54188), (31, 52440), (38, 42780), (40, 40641), (46, 35340), (57, 28520), (60, 27094), (62, 26220), (69, 23560), (76, 21390), (92, 17670), (93, 17480), (95, 17112), (114, 14260), (115, 14136), (120, 13547), (124, 13110), (138, 11780), (152, 10695), (155, 10488), (184, 8835), (186, 8740), (190, 8556), (228, 7130), (230, 7068), (248, 6555), (276, 5890), (285, 5704), (310, 5244), (345, 4712), (372, 4370), (380, 4278), (437, 3720), (456, 3565), (460, 3534), (465, 3496), (552, 2945), (570, 2852), (589, 2760), (620, 2622), (690, 2356), (713, 2280), (744, 2185), (760, 2139), (874, 1860), (920, 1767), (930, 1748), (1140, 1426), (1178, 1380), (1240, 1311)]