128486940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1867}}^1$

素因数の和:1947

約数の個数: 96

約数和(自身を含む): 381609984

約数和(自身を除く): 253123044

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 37, 60, 62, 74, 93, 111, 124, 148, 155, 185, 186, 222, 310, 370, 372, 444, 465, 555, 620, 740, 930, 1110, 1147, 1860, 1867, 2220, 2294, 3441, 3734, 4588, 5601, 5735, 6882, 7468, 9335, 11202, 11470, 13764, 17205, 18670, 22404, 22940, 28005, 34410, 37340, 56010, 57877, 68820, 69079, 112020, 115754, 138158, 173631, 207237, 231508, 276316, 289385, 345395, 347262, 414474, 578770, 690790, 694524, 828948, 868155, 1036185, 1157540, 1381580, 1736310, 2072370, 2141449, 3472620, 4144740, 4282898, 6424347, 8565796, 10707245, 12848694, 21414490, 25697388, 32121735, 42828980, 64243470, 128486940]

約数ペア:

[(1, 128486940), (2, 64243470), (3, 42828980), (4, 32121735), (5, 25697388), (6, 21414490), (10, 12848694), (12, 10707245), (15, 8565796), (20, 6424347), (30, 4282898), (31, 4144740), (37, 3472620), (60, 2141449), (62, 2072370), (74, 1736310), (93, 1381580), (111, 1157540), (124, 1036185), (148, 868155), (155, 828948), (185, 694524), (186, 690790), (222, 578770), (310, 414474), (370, 347262), (372, 345395), (444, 289385), (465, 276316), (555, 231508), (620, 207237), (740, 173631), (930, 138158), (1110, 115754), (1147, 112020), (1860, 69079), (1867, 68820), (2220, 57877), (2294, 56010), (3441, 37340), (3734, 34410), (4588, 28005), (5601, 22940), (5735, 22404), (6882, 18670), (7468, 17205), (9335, 13764), (11202, 11470)]