28146840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1439}}^1$

素因数の和:1616

約数の個数: 64

約数和(自身を含む): 85017600

約数和(自身を除く): 56870760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 163, 326, 489, 652, 815, 978, 1304, 1439, 1630, 1956, 2445, 2878, 3260, 3912, 4317, 4890, 5756, 6520, 7195, 8634, 9780, 11512, 14390, 17268, 19560, 21585, 28780, 34536, 43170, 57560, 86340, 172680, 234557, 469114, 703671, 938228, 1172785, 1407342, 1876456, 2345570, 2814684, 3518355, 4691140, 5629368, 7036710, 9382280, 14073420, 28146840]

約数ペア:

[(1, 28146840), (2, 14073420), (3, 9382280), (4, 7036710), (5, 5629368), (6, 4691140), (8, 3518355), (10, 2814684), (12, 2345570), (15, 1876456), (20, 1407342), (24, 1172785), (30, 938228), (40, 703671), (60, 469114), (120, 234557), (163, 172680), (326, 86340), (489, 57560), (652, 43170), (815, 34536), (978, 28780), (1304, 21585), (1439, 19560), (1630, 17268), (1956, 14390), (2445, 11512), (2878, 9780), (3260, 8634), (3912, 7195), (4317, 6520), (4890, 5756)]