291459520

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2671}}^1$

素因数の和:2730

約数の個数: 112

約数和(自身を含む): 781848576

約数和(自身を除く): 490389056

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 155, 160, 176, 220, 248, 310, 320, 341, 352, 440, 496, 620, 682, 704, 880, 992, 1240, 1364, 1705, 1760, 1984, 2480, 2671, 2728, 3410, 3520, 4960, 5342, 5456, 6820, 9920, 10684, 10912, 13355, 13640, 21368, 21824, 26710, 27280, 29381, 42736, 53420, 54560, 58762, 82801, 85472, 106840, 109120, 117524, 146905, 165602, 170944, 213680, 235048, 293810, 331204, 414005, 427360, 470096, 587620, 662408, 828010, 854720, 910811, 940192, 1175240, 1324816, 1656020, 1821622, 1880384, 2350480, 2649632, 3312040, 3643244, 4554055, 4700960, 5299264, 6624080, 7286488, 9108110, 9401920, 13248160, 14572976, 18216220, 26496320, 29145952, 36432440, 58291904, 72864880, 145729760, 291459520]

約数ペア:

[(1, 291459520), (2, 145729760), (4, 72864880), (5, 58291904), (8, 36432440), (10, 29145952), (11, 26496320), (16, 18216220), (20, 14572976), (22, 13248160), (31, 9401920), (32, 9108110), (40, 7286488), (44, 6624080), (55, 5299264), (62, 4700960), (64, 4554055), (80, 3643244), (88, 3312040), (110, 2649632), (124, 2350480), (155, 1880384), (160, 1821622), (176, 1656020), (220, 1324816), (248, 1175240), (310, 940192), (320, 910811), (341, 854720), (352, 828010), (440, 662408), (496, 587620), (620, 470096), (682, 427360), (704, 414005), (880, 331204), (992, 293810), (1240, 235048), (1364, 213680), (1705, 170944), (1760, 165602), (1984, 146905), (2480, 117524), (2671, 109120), (2728, 106840), (3410, 85472), (3520, 82801), (4960, 58762), (5342, 54560), (5456, 53420), (6820, 42736), (9920, 29381), (10684, 27280), (10912, 26710), (13355, 21824), (13640, 21368)]