27723280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:129

約数の個数: 160

約数和(自身を含む): 77495040

約数和(自身を除く): 49771760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 23, 26, 38, 40, 46, 52, 61, 65, 76, 80, 92, 95, 104, 115, 122, 130, 152, 184, 190, 208, 230, 244, 247, 260, 299, 304, 305, 368, 380, 437, 460, 488, 494, 520, 598, 610, 760, 793, 874, 920, 976, 988, 1040, 1159, 1196, 1220, 1235, 1403, 1495, 1520, 1586, 1748, 1840, 1976, 2185, 2318, 2392, 2440, 2470, 2806, 2990, 3172, 3496, 3952, 3965, 4370, 4636, 4784, 4880, 4940, 5612, 5681, 5795, 5980, 6344, 6992, 7015, 7930, 8740, 9272, 9880, 11224, 11362, 11590, 11960, 12688, 14030, 15067, 15860, 17480, 18239, 18544, 19760, 22448, 22724, 23180, 23920, 26657, 28060, 28405, 30134, 31720, 34960, 36478, 45448, 46360, 53314, 56120, 56810, 60268, 63440, 72956, 75335, 90896, 91195, 92720, 106628, 112240, 113620, 120536, 133285, 145912, 150670, 182390, 213256, 227240, 241072, 266570, 291824, 301340, 346541, 364780, 426512, 454480, 533140, 602680, 693082, 729560, 1066280, 1205360, 1386164, 1459120, 1732705, 2132560, 2772328, 3465410, 5544656, 6930820, 13861640, 27723280]

約数ペア:

[(1, 27723280), (2, 13861640), (4, 6930820), (5, 5544656), (8, 3465410), (10, 2772328), (13, 2132560), (16, 1732705), (19, 1459120), (20, 1386164), (23, 1205360), (26, 1066280), (38, 729560), (40, 693082), (46, 602680), (52, 533140), (61, 454480), (65, 426512), (76, 364780), (80, 346541), (92, 301340), (95, 291824), (104, 266570), (115, 241072), (122, 227240), (130, 213256), (152, 182390), (184, 150670), (190, 145912), (208, 133285), (230, 120536), (244, 113620), (247, 112240), (260, 106628), (299, 92720), (304, 91195), (305, 90896), (368, 75335), (380, 72956), (437, 63440), (460, 60268), (488, 56810), (494, 56120), (520, 53314), (598, 46360), (610, 45448), (760, 36478), (793, 34960), (874, 31720), (920, 30134), (976, 28405), (988, 28060), (1040, 26657), (1159, 23920), (1196, 23180), (1220, 22724), (1235, 22448), (1403, 19760), (1495, 18544), (1520, 18239), (1586, 17480), (1748, 15860), (1840, 15067), (1976, 14030), (2185, 12688), (2318, 11960), (2392, 11590), (2440, 11362), (2470, 11224), (2806, 9880), (2990, 9272), (3172, 8740), (3496, 7930), (3952, 7015), (3965, 6992), (4370, 6344), (4636, 5980), (4784, 5795), (4880, 5681), (4940, 5612)]