25290120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{2887}}^1$

素因数の和:2974

約数の個数: 64

約数和(自身を含む): 76936320

約数和(自身を除く): 51646200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 73, 120, 146, 219, 292, 365, 438, 584, 730, 876, 1095, 1460, 1752, 2190, 2887, 2920, 4380, 5774, 8661, 8760, 11548, 14435, 17322, 23096, 28870, 34644, 43305, 57740, 69288, 86610, 115480, 173220, 210751, 346440, 421502, 632253, 843004, 1053755, 1264506, 1686008, 2107510, 2529012, 3161265, 4215020, 5058024, 6322530, 8430040, 12645060, 25290120]

約数ペア:

[(1, 25290120), (2, 12645060), (3, 8430040), (4, 6322530), (5, 5058024), (6, 4215020), (8, 3161265), (10, 2529012), (12, 2107510), (15, 1686008), (20, 1264506), (24, 1053755), (30, 843004), (40, 632253), (60, 421502), (73, 346440), (120, 210751), (146, 173220), (219, 115480), (292, 86610), (365, 69288), (438, 57740), (584, 43305), (730, 34644), (876, 28870), (1095, 23096), (1460, 17322), (1752, 14435), (2190, 11548), (2887, 8760), (2920, 8661), (4380, 5774)]