25310640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{647}}^1$

素因数の和:826

約数の個数: 80

約数和(自身を含む): 79066368

約数和(自身を除く): 53755728

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 163, 240, 326, 489, 647, 652, 815, 978, 1294, 1304, 1630, 1941, 1956, 2445, 2588, 2608, 3235, 3260, 3882, 3912, 4890, 5176, 6470, 6520, 7764, 7824, 9705, 9780, 10352, 12940, 13040, 15528, 19410, 19560, 25880, 31056, 38820, 39120, 51760, 77640, 105461, 155280, 210922, 316383, 421844, 527305, 632766, 843688, 1054610, 1265532, 1581915, 1687376, 2109220, 2531064, 3163830, 4218440, 5062128, 6327660, 8436880, 12655320, 25310640]

約数ペア:

[(1, 25310640), (2, 12655320), (3, 8436880), (4, 6327660), (5, 5062128), (6, 4218440), (8, 3163830), (10, 2531064), (12, 2109220), (15, 1687376), (16, 1581915), (20, 1265532), (24, 1054610), (30, 843688), (40, 632766), (48, 527305), (60, 421844), (80, 316383), (120, 210922), (163, 155280), (240, 105461), (326, 77640), (489, 51760), (647, 39120), (652, 38820), (815, 31056), (978, 25880), (1294, 19560), (1304, 19410), (1630, 15528), (1941, 13040), (1956, 12940), (2445, 10352), (2588, 9780), (2608, 9705), (3235, 7824), (3260, 7764), (3882, 6520), (3912, 6470), (4890, 5176)]