12778650

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{73}}^1\times {\mathrm{389}}^1$

素因数の和:480

約数の個数: 72

約数和(自身を含む): 34891740

約数和(自身を除く): 22113090

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 73, 75, 90, 146, 150, 219, 225, 365, 389, 438, 450, 657, 730, 778, 1095, 1167, 1314, 1825, 1945, 2190, 2334, 3285, 3501, 3650, 3890, 5475, 5835, 6570, 7002, 9725, 10950, 11670, 16425, 17505, 19450, 28397, 29175, 32850, 35010, 56794, 58350, 85191, 87525, 141985, 170382, 175050, 255573, 283970, 425955, 511146, 709925, 851910, 1277865, 1419850, 2129775, 2555730, 4259550, 6389325, 12778650]

約数ペア:

[(1, 12778650), (2, 6389325), (3, 4259550), (5, 2555730), (6, 2129775), (9, 1419850), (10, 1277865), (15, 851910), (18, 709925), (25, 511146), (30, 425955), (45, 283970), (50, 255573), (73, 175050), (75, 170382), (90, 141985), (146, 87525), (150, 85191), (219, 58350), (225, 56794), (365, 35010), (389, 32850), (438, 29175), (450, 28397), (657, 19450), (730, 17505), (778, 16425), (1095, 11670), (1167, 10950), (1314, 9725), (1825, 7002), (1945, 6570), (2190, 5835), (2334, 5475), (3285, 3890), (3501, 3650)]