515528080

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{709}}^1$

素因数の和:932

約数の個数: 80

約数和(自身を含む): 1228158000

約数和(自身を除く): 712629920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 149, 244, 298, 305, 488, 596, 610, 709, 745, 976, 1192, 1220, 1418, 1490, 2384, 2440, 2836, 2980, 3545, 4880, 5672, 5960, 7090, 9089, 11344, 11920, 14180, 18178, 28360, 36356, 43249, 45445, 56720, 72712, 86498, 90890, 105641, 145424, 172996, 181780, 211282, 216245, 345992, 363560, 422564, 432490, 528205, 691984, 727120, 845128, 864980, 1056410, 1690256, 1729960, 2112820, 3459920, 4225640, 6444101, 8451280, 12888202, 25776404, 32220505, 51552808, 64441010, 103105616, 128882020, 257764040, 515528080]

約数ペア:

[(1, 515528080), (2, 257764040), (4, 128882020), (5, 103105616), (8, 64441010), (10, 51552808), (16, 32220505), (20, 25776404), (40, 12888202), (61, 8451280), (80, 6444101), (122, 4225640), (149, 3459920), (244, 2112820), (298, 1729960), (305, 1690256), (488, 1056410), (596, 864980), (610, 845128), (709, 727120), (745, 691984), (976, 528205), (1192, 432490), (1220, 422564), (1418, 363560), (1490, 345992), (2384, 216245), (2440, 211282), (2836, 181780), (2980, 172996), (3545, 145424), (4880, 105641), (5672, 90890), (5960, 86498), (7090, 72712), (9089, 56720), (11344, 45445), (11920, 43249), (14180, 36356), (18178, 28360)]