120255720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{491}}^1$

素因数の和:675

約数の個数: 128

約数和(自身を含む): 391789440

約数和(自身を除く): 271533720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 157, 195, 260, 312, 314, 390, 471, 491, 520, 628, 780, 785, 942, 982, 1256, 1473, 1560, 1570, 1884, 1964, 2041, 2355, 2455, 2946, 3140, 3768, 3928, 4082, 4710, 4910, 5892, 6123, 6280, 6383, 7365, 8164, 9420, 9820, 10205, 11784, 12246, 12766, 14730, 16328, 18840, 19149, 19640, 20410, 24492, 25532, 29460, 30615, 31915, 38298, 40820, 48984, 51064, 58920, 61230, 63830, 76596, 77087, 81640, 95745, 122460, 127660, 153192, 154174, 191490, 231261, 244920, 255320, 308348, 382980, 385435, 462522, 616696, 765960, 770870, 925044, 1002131, 1156305, 1541740, 1850088, 2004262, 2312610, 3006393, 3083480, 4008524, 4625220, 5010655, 6012786, 8017048, 9250440, 10021310, 12025572, 15031965, 20042620, 24051144, 30063930, 40085240, 60127860, 120255720]

約数ペア:

[(1, 120255720), (2, 60127860), (3, 40085240), (4, 30063930), (5, 24051144), (6, 20042620), (8, 15031965), (10, 12025572), (12, 10021310), (13, 9250440), (15, 8017048), (20, 6012786), (24, 5010655), (26, 4625220), (30, 4008524), (39, 3083480), (40, 3006393), (52, 2312610), (60, 2004262), (65, 1850088), (78, 1541740), (104, 1156305), (120, 1002131), (130, 925044), (156, 770870), (157, 765960), (195, 616696), (260, 462522), (312, 385435), (314, 382980), (390, 308348), (471, 255320), (491, 244920), (520, 231261), (628, 191490), (780, 154174), (785, 153192), (942, 127660), (982, 122460), (1256, 95745), (1473, 81640), (1560, 77087), (1570, 76596), (1884, 63830), (1964, 61230), (2041, 58920), (2355, 51064), (2455, 48984), (2946, 40820), (3140, 38298), (3768, 31915), (3928, 30615), (4082, 29460), (4710, 25532), (4910, 24492), (5892, 20410), (6123, 19640), (6280, 19149), (6383, 18840), (7365, 16328), (8164, 14730), (9420, 12766), (9820, 12246), (10205, 11784)]