78213420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{293}}^1\times {\mathrm{1483}}^1$

素因数の和:1791

約数の個数: 72

約数和(自身を含む): 238217616

約数和(自身を除く): 160004196

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 293, 586, 879, 1172, 1465, 1483, 1758, 2637, 2930, 2966, 3516, 4395, 4449, 5274, 5860, 5932, 7415, 8790, 8898, 10548, 13185, 13347, 14830, 17580, 17796, 22245, 26370, 26694, 29660, 44490, 52740, 53388, 66735, 88980, 133470, 266940, 434519, 869038, 1303557, 1738076, 2172595, 2607114, 3910671, 4345190, 5214228, 6517785, 7821342, 8690380, 13035570, 15642684, 19553355, 26071140, 39106710, 78213420]

約数ペア:

[(1, 78213420), (2, 39106710), (3, 26071140), (4, 19553355), (5, 15642684), (6, 13035570), (9, 8690380), (10, 7821342), (12, 6517785), (15, 5214228), (18, 4345190), (20, 3910671), (30, 2607114), (36, 2172595), (45, 1738076), (60, 1303557), (90, 869038), (180, 434519), (293, 266940), (586, 133470), (879, 88980), (1172, 66735), (1465, 53388), (1483, 52740), (1758, 44490), (2637, 29660), (2930, 26694), (2966, 26370), (3516, 22245), (4395, 17796), (4449, 17580), (5274, 14830), (5860, 13347), (5932, 13185), (7415, 10548), (8790, 8898)]