51578370

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1721}}^1$

素因数の和:1777

約数の個数: 80

約数和(自身を含む): 142519608

約数和(自身を除く): 90941238

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 37, 45, 54, 74, 81, 90, 111, 135, 162, 185, 222, 270, 333, 370, 405, 555, 666, 810, 999, 1110, 1665, 1721, 1998, 2997, 3330, 3442, 4995, 5163, 5994, 8605, 9990, 10326, 14985, 15489, 17210, 25815, 29970, 30978, 46467, 51630, 63677, 77445, 92934, 127354, 139401, 154890, 191031, 232335, 278802, 318385, 382062, 464670, 573093, 636770, 697005, 955155, 1146186, 1394010, 1719279, 1910310, 2865465, 3438558, 5157837, 5730930, 8596395, 10315674, 17192790, 25789185, 51578370]

約数ペア:

[(1, 51578370), (2, 25789185), (3, 17192790), (5, 10315674), (6, 8596395), (9, 5730930), (10, 5157837), (15, 3438558), (18, 2865465), (27, 1910310), (30, 1719279), (37, 1394010), (45, 1146186), (54, 955155), (74, 697005), (81, 636770), (90, 573093), (111, 464670), (135, 382062), (162, 318385), (185, 278802), (222, 232335), (270, 191031), (333, 154890), (370, 139401), (405, 127354), (555, 92934), (666, 77445), (810, 63677), (999, 51630), (1110, 46467), (1665, 30978), (1721, 29970), (1998, 25815), (2997, 17210), (3330, 15489), (3442, 14985), (4995, 10326), (5163, 9990), (5994, 8605)]