28112280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^3\times {\mathrm{683}}^1$

素因数の和:718

約数の個数: 128

約数和(自身を含む): 98496000

約数和(自身を除く): 70383720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 343, 392, 420, 490, 588, 683, 686, 735, 840, 980, 1029, 1176, 1366, 1372, 1470, 1715, 1960, 2049, 2058, 2732, 2744, 2940, 3415, 3430, 4098, 4116, 4781, 5145, 5464, 5880, 6830, 6860, 8196, 8232, 9562, 10245, 10290, 13660, 13720, 14343, 16392, 19124, 20490, 20580, 23905, 27320, 28686, 33467, 38248, 40980, 41160, 47810, 57372, 66934, 71715, 81960, 95620, 100401, 114744, 133868, 143430, 167335, 191240, 200802, 234269, 267736, 286860, 334670, 401604, 468538, 502005, 573720, 669340, 702807, 803208, 937076, 1004010, 1171345, 1338680, 1405614, 1874152, 2008020, 2342690, 2811228, 3514035, 4016040, 4685380, 5622456, 7028070, 9370760, 14056140, 28112280]

約数ペア:

[(1, 28112280), (2, 14056140), (3, 9370760), (4, 7028070), (5, 5622456), (6, 4685380), (7, 4016040), (8, 3514035), (10, 2811228), (12, 2342690), (14, 2008020), (15, 1874152), (20, 1405614), (21, 1338680), (24, 1171345), (28, 1004010), (30, 937076), (35, 803208), (40, 702807), (42, 669340), (49, 573720), (56, 502005), (60, 468538), (70, 401604), (84, 334670), (98, 286860), (105, 267736), (120, 234269), (140, 200802), (147, 191240), (168, 167335), (196, 143430), (210, 133868), (245, 114744), (280, 100401), (294, 95620), (343, 81960), (392, 71715), (420, 66934), (490, 57372), (588, 47810), (683, 41160), (686, 40980), (735, 38248), (840, 33467), (980, 28686), (1029, 27320), (1176, 23905), (1366, 20580), (1372, 20490), (1470, 19124), (1715, 16392), (1960, 14343), (2049, 13720), (2058, 13660), (2732, 10290), (2744, 10245), (2940, 9562), (3415, 8232), (3430, 8196), (4098, 6860), (4116, 6830), (4781, 5880), (5145, 5464)]