154985120

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{31247}}^1$

素因数の和:31293

約数の個数: 48

約数和(自身を含む): 377975808

約数和(自身を除く): 222990688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 31247, 62494, 124988, 156235, 249976, 312470, 499952, 624940, 968657, 999904, 1249880, 1937314, 2499760, 3874628, 4843285, 4999520, 7749256, 9686570, 15498512, 19373140, 30997024, 38746280, 77492560, 154985120]

約数ペア:

[(1, 154985120), (2, 77492560), (4, 38746280), (5, 30997024), (8, 19373140), (10, 15498512), (16, 9686570), (20, 7749256), (31, 4999520), (32, 4843285), (40, 3874628), (62, 2499760), (80, 1937314), (124, 1249880), (155, 999904), (160, 968657), (248, 624940), (310, 499952), (496, 312470), (620, 249976), (992, 156235), (1240, 124988), (2480, 62494), (4960, 31247)]