154630120

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{499}}^1$

素因数の和:698

約数の個数: 64

約数和(自身を含む): 357120000

約数和(自身を除く): 202489880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 127, 244, 254, 305, 488, 499, 508, 610, 635, 998, 1016, 1220, 1270, 1996, 2440, 2495, 2540, 3992, 4990, 5080, 7747, 9980, 15494, 19960, 30439, 30988, 38735, 60878, 61976, 63373, 77470, 121756, 126746, 152195, 154940, 243512, 253492, 304390, 309880, 316865, 506984, 608780, 633730, 1217560, 1267460, 2534920, 3865753, 7731506, 15463012, 19328765, 30926024, 38657530, 77315060, 154630120]

約数ペア:

[(1, 154630120), (2, 77315060), (4, 38657530), (5, 30926024), (8, 19328765), (10, 15463012), (20, 7731506), (40, 3865753), (61, 2534920), (122, 1267460), (127, 1217560), (244, 633730), (254, 608780), (305, 506984), (488, 316865), (499, 309880), (508, 304390), (610, 253492), (635, 243512), (998, 154940), (1016, 152195), (1220, 126746), (1270, 121756), (1996, 77470), (2440, 63373), (2495, 61976), (2540, 60878), (3992, 38735), (4990, 30988), (5080, 30439), (7747, 19960), (9980, 15494)]