2656440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:221

約数の個数: 96

約数和(自身を含む): 8873280

約数和(自身を除く): 6216840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 47, 60, 72, 90, 94, 120, 141, 157, 180, 188, 235, 282, 314, 360, 376, 423, 470, 471, 564, 628, 705, 785, 846, 940, 942, 1128, 1256, 1410, 1413, 1570, 1692, 1880, 1884, 2115, 2355, 2820, 2826, 3140, 3384, 3768, 4230, 4710, 5640, 5652, 6280, 7065, 7379, 8460, 9420, 11304, 14130, 14758, 16920, 18840, 22137, 28260, 29516, 36895, 44274, 56520, 59032, 66411, 73790, 88548, 110685, 132822, 147580, 177096, 221370, 265644, 295160, 332055, 442740, 531288, 664110, 885480, 1328220, 2656440]

約数ペア:

[(1, 2656440), (2, 1328220), (3, 885480), (4, 664110), (5, 531288), (6, 442740), (8, 332055), (9, 295160), (10, 265644), (12, 221370), (15, 177096), (18, 147580), (20, 132822), (24, 110685), (30, 88548), (36, 73790), (40, 66411), (45, 59032), (47, 56520), (60, 44274), (72, 36895), (90, 29516), (94, 28260), (120, 22137), (141, 18840), (157, 16920), (180, 14758), (188, 14130), (235, 11304), (282, 9420), (314, 8460), (360, 7379), (376, 7065), (423, 6280), (470, 5652), (471, 5640), (564, 4710), (628, 4230), (705, 3768), (785, 3384), (846, 3140), (940, 2826), (942, 2820), (1128, 2355), (1256, 2115), (1410, 1884), (1413, 1880), (1570, 1692)]