57214640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1439}}^1$

素因数の和:1530

約数の個数: 80

約数和(自身を含む): 154275840

約数和(自身を除く): 97061200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 112, 140, 142, 280, 284, 355, 497, 560, 568, 710, 994, 1136, 1420, 1439, 1988, 2485, 2840, 2878, 3976, 4970, 5680, 5756, 7195, 7952, 9940, 10073, 11512, 14390, 19880, 20146, 23024, 28780, 39760, 40292, 50365, 57560, 80584, 100730, 102169, 115120, 161168, 201460, 204338, 402920, 408676, 510845, 715183, 805840, 817352, 1021690, 1430366, 1634704, 2043380, 2860732, 3575915, 4086760, 5721464, 7151830, 8173520, 11442928, 14303660, 28607320, 57214640]

約数ペア:

[(1, 57214640), (2, 28607320), (4, 14303660), (5, 11442928), (7, 8173520), (8, 7151830), (10, 5721464), (14, 4086760), (16, 3575915), (20, 2860732), (28, 2043380), (35, 1634704), (40, 1430366), (56, 1021690), (70, 817352), (71, 805840), (80, 715183), (112, 510845), (140, 408676), (142, 402920), (280, 204338), (284, 201460), (355, 161168), (497, 115120), (560, 102169), (568, 100730), (710, 80584), (994, 57560), (1136, 50365), (1420, 40292), (1439, 39760), (1988, 28780), (2485, 23024), (2840, 20146), (2878, 19880), (3976, 14390), (4970, 11512), (5680, 10073), (5756, 9940), (7195, 7952)]