40072680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{709}}^1$

素因数の和:883

約数の個数: 96

約数和(自身を含む): 131250600

約数和(自身を除く): 91177920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 157, 180, 314, 360, 471, 628, 709, 785, 942, 1256, 1413, 1418, 1570, 1884, 2127, 2355, 2826, 2836, 3140, 3545, 3768, 4254, 4710, 5652, 5672, 6280, 6381, 7065, 7090, 8508, 9420, 10635, 11304, 12762, 14130, 14180, 17016, 18840, 21270, 25524, 28260, 28360, 31905, 42540, 51048, 56520, 63810, 85080, 111313, 127620, 222626, 255240, 333939, 445252, 556565, 667878, 890504, 1001817, 1113130, 1335756, 1669695, 2003634, 2226260, 2671512, 3339390, 4007268, 4452520, 5009085, 6678780, 8014536, 10018170, 13357560, 20036340, 40072680]

約数ペア:

[(1, 40072680), (2, 20036340), (3, 13357560), (4, 10018170), (5, 8014536), (6, 6678780), (8, 5009085), (9, 4452520), (10, 4007268), (12, 3339390), (15, 2671512), (18, 2226260), (20, 2003634), (24, 1669695), (30, 1335756), (36, 1113130), (40, 1001817), (45, 890504), (60, 667878), (72, 556565), (90, 445252), (120, 333939), (157, 255240), (180, 222626), (314, 127620), (360, 111313), (471, 85080), (628, 63810), (709, 56520), (785, 51048), (942, 42540), (1256, 31905), (1413, 28360), (1418, 28260), (1570, 25524), (1884, 21270), (2127, 18840), (2355, 17016), (2826, 14180), (2836, 14130), (3140, 12762), (3545, 11304), (3768, 10635), (4254, 9420), (4710, 8508), (5652, 7090), (5672, 7065), (6280, 6381)]