128223870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{1627}}^1$

素因数の和:1745

約数の個数: 64

約数和(自身を含む): 320702976

約数和(自身を除く): 192479106

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 71, 74, 111, 142, 185, 213, 222, 355, 370, 426, 555, 710, 1065, 1110, 1627, 2130, 2627, 3254, 4881, 5254, 7881, 8135, 9762, 13135, 15762, 16270, 24405, 26270, 39405, 48810, 60199, 78810, 115517, 120398, 180597, 231034, 300995, 346551, 361194, 577585, 601990, 693102, 902985, 1155170, 1732755, 1805970, 3465510, 4274129, 8548258, 12822387, 21370645, 25644774, 42741290, 64111935, 128223870]

約数ペア:

[(1, 128223870), (2, 64111935), (3, 42741290), (5, 25644774), (6, 21370645), (10, 12822387), (15, 8548258), (30, 4274129), (37, 3465510), (71, 1805970), (74, 1732755), (111, 1155170), (142, 902985), (185, 693102), (213, 601990), (222, 577585), (355, 361194), (370, 346551), (426, 300995), (555, 231034), (710, 180597), (1065, 120398), (1110, 115517), (1627, 78810), (2130, 60199), (2627, 48810), (3254, 39405), (4881, 26270), (5254, 24405), (7881, 16270), (8135, 15762), (9762, 13135)]