153871120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{599}}^1$

素因数の和:657

約数の個数: 120

約数和(自身を含む): 408456000

約数和(自身を除く): 254584880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 169, 190, 208, 247, 260, 304, 338, 380, 494, 520, 599, 676, 760, 845, 988, 1040, 1198, 1235, 1352, 1520, 1690, 1976, 2396, 2470, 2704, 2995, 3211, 3380, 3952, 4792, 4940, 5990, 6422, 6760, 7787, 9584, 9880, 11381, 11980, 12844, 13520, 15574, 16055, 19760, 22762, 23960, 25688, 31148, 32110, 38935, 45524, 47920, 51376, 56905, 62296, 64220, 77870, 91048, 101231, 113810, 124592, 128440, 147953, 155740, 182096, 202462, 227620, 256880, 295906, 311480, 404924, 455240, 506155, 591812, 622960, 739765, 809848, 910480, 1012310, 1183624, 1479530, 1619696, 1923389, 2024620, 2367248, 2959060, 3846778, 4049240, 5918120, 7693556, 8098480, 9616945, 11836240, 15387112, 19233890, 30774224, 38467780, 76935560, 153871120]

約数ペア:

[(1, 153871120), (2, 76935560), (4, 38467780), (5, 30774224), (8, 19233890), (10, 15387112), (13, 11836240), (16, 9616945), (19, 8098480), (20, 7693556), (26, 5918120), (38, 4049240), (40, 3846778), (52, 2959060), (65, 2367248), (76, 2024620), (80, 1923389), (95, 1619696), (104, 1479530), (130, 1183624), (152, 1012310), (169, 910480), (190, 809848), (208, 739765), (247, 622960), (260, 591812), (304, 506155), (338, 455240), (380, 404924), (494, 311480), (520, 295906), (599, 256880), (676, 227620), (760, 202462), (845, 182096), (988, 155740), (1040, 147953), (1198, 128440), (1235, 124592), (1352, 113810), (1520, 101231), (1690, 91048), (1976, 77870), (2396, 64220), (2470, 62296), (2704, 56905), (2995, 51376), (3211, 47920), (3380, 45524), (3952, 38935), (4792, 32110), (4940, 31148), (5990, 25688), (6422, 23960), (6760, 22762), (7787, 19760), (9584, 16055), (9880, 15574), (11381, 13520), (11980, 12844)]