87111200

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1$

素因数の和:571

約数の個数: 144

約数和(自身を含む): 244671840

約数和(自身を除く): 157560640

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 25, 32, 38, 40, 44, 50, 55, 76, 80, 88, 95, 100, 110, 152, 160, 176, 190, 200, 209, 220, 275, 304, 352, 380, 400, 418, 440, 475, 521, 550, 608, 760, 800, 836, 880, 950, 1042, 1045, 1100, 1520, 1672, 1760, 1900, 2084, 2090, 2200, 2605, 3040, 3344, 3800, 4168, 4180, 4400, 5210, 5225, 5731, 6688, 7600, 8336, 8360, 8800, 9899, 10420, 10450, 11462, 13025, 15200, 16672, 16720, 19798, 20840, 20900, 22924, 26050, 28655, 33440, 39596, 41680, 41800, 45848, 49495, 52100, 57310, 79192, 83360, 83600, 91696, 98990, 104200, 108889, 114620, 143275, 158384, 167200, 183392, 197980, 208400, 217778, 229240, 247475, 286550, 316768, 395960, 416800, 435556, 458480, 494950, 544445, 573100, 791920, 871112, 916960, 989900, 1088890, 1146200, 1583840, 1742224, 1979800, 2177780, 2292400, 2722225, 3484448, 3959600, 4355560, 4584800, 5444450, 7919200, 8711120, 10888900, 17422240, 21777800, 43555600, 87111200]

約数ペア:

[(1, 87111200), (2, 43555600), (4, 21777800), (5, 17422240), (8, 10888900), (10, 8711120), (11, 7919200), (16, 5444450), (19, 4584800), (20, 4355560), (22, 3959600), (25, 3484448), (32, 2722225), (38, 2292400), (40, 2177780), (44, 1979800), (50, 1742224), (55, 1583840), (76, 1146200), (80, 1088890), (88, 989900), (95, 916960), (100, 871112), (110, 791920), (152, 573100), (160, 544445), (176, 494950), (190, 458480), (200, 435556), (209, 416800), (220, 395960), (275, 316768), (304, 286550), (352, 247475), (380, 229240), (400, 217778), (418, 208400), (440, 197980), (475, 183392), (521, 167200), (550, 158384), (608, 143275), (760, 114620), (800, 108889), (836, 104200), (880, 98990), (950, 91696), (1042, 83600), (1045, 83360), (1100, 79192), (1520, 57310), (1672, 52100), (1760, 49495), (1900, 45848), (2084, 41800), (2090, 41680), (2200, 39596), (2605, 33440), (3040, 28655), (3344, 26050), (3800, 22924), (4168, 20900), (4180, 20840), (4400, 19798), (5210, 16720), (5225, 16672), (5731, 15200), (6688, 13025), (7600, 11462), (8336, 10450), (8360, 10420), (8800, 9899)]