85697820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{691}}^1$

素因数の和:772

約数の個数: 144

約数和(自身を含む): 285640992

約数和(自身を除く): 199943172

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 53, 60, 65, 78, 90, 106, 117, 130, 156, 159, 180, 195, 212, 234, 260, 265, 318, 390, 468, 477, 530, 585, 636, 689, 691, 780, 795, 954, 1060, 1170, 1378, 1382, 1590, 1908, 2067, 2073, 2340, 2385, 2756, 2764, 3180, 3445, 3455, 4134, 4146, 4770, 6201, 6219, 6890, 6910, 8268, 8292, 8983, 9540, 10335, 10365, 12402, 12438, 13780, 13820, 17966, 20670, 20730, 24804, 24876, 26949, 31005, 31095, 35932, 36623, 41340, 41460, 44915, 53898, 62010, 62190, 73246, 80847, 89830, 107796, 109869, 124020, 124380, 134745, 146492, 161694, 179660, 183115, 219738, 269490, 323388, 329607, 366230, 404235, 439476, 476099, 538980, 549345, 659214, 732460, 808470, 952198, 1098690, 1318428, 1428297, 1616940, 1648035, 1904396, 2197380, 2380495, 2856594, 3296070, 4284891, 4760990, 5713188, 6592140, 7141485, 8569782, 9521980, 14282970, 17139564, 21424455, 28565940, 42848910, 85697820]

約数ペア:

[(1, 85697820), (2, 42848910), (3, 28565940), (4, 21424455), (5, 17139564), (6, 14282970), (9, 9521980), (10, 8569782), (12, 7141485), (13, 6592140), (15, 5713188), (18, 4760990), (20, 4284891), (26, 3296070), (30, 2856594), (36, 2380495), (39, 2197380), (45, 1904396), (52, 1648035), (53, 1616940), (60, 1428297), (65, 1318428), (78, 1098690), (90, 952198), (106, 808470), (117, 732460), (130, 659214), (156, 549345), (159, 538980), (180, 476099), (195, 439476), (212, 404235), (234, 366230), (260, 329607), (265, 323388), (318, 269490), (390, 219738), (468, 183115), (477, 179660), (530, 161694), (585, 146492), (636, 134745), (689, 124380), (691, 124020), (780, 109869), (795, 107796), (954, 89830), (1060, 80847), (1170, 73246), (1378, 62190), (1382, 62010), (1590, 53898), (1908, 44915), (2067, 41460), (2073, 41340), (2340, 36623), (2385, 35932), (2756, 31095), (2764, 31005), (3180, 26949), (3445, 24876), (3455, 24804), (4134, 20730), (4146, 20670), (4770, 17966), (6201, 13820), (6219, 13780), (6890, 12438), (6910, 12402), (8268, 10365), (8292, 10335), (8983, 9540)]