2661240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{331}}^1$

素因数の和:412

約数の個数: 64

約数和(自身を含む): 8127360

約数和(自身を除く): 5466120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 67, 120, 134, 201, 268, 331, 335, 402, 536, 662, 670, 804, 993, 1005, 1324, 1340, 1608, 1655, 1986, 2010, 2648, 2680, 3310, 3972, 4020, 4965, 6620, 7944, 8040, 9930, 13240, 19860, 22177, 39720, 44354, 66531, 88708, 110885, 133062, 177416, 221770, 266124, 332655, 443540, 532248, 665310, 887080, 1330620, 2661240]

約数ペア:

[(1, 2661240), (2, 1330620), (3, 887080), (4, 665310), (5, 532248), (6, 443540), (8, 332655), (10, 266124), (12, 221770), (15, 177416), (20, 133062), (24, 110885), (30, 88708), (40, 66531), (60, 44354), (67, 39720), (120, 22177), (134, 19860), (201, 13240), (268, 9930), (331, 8040), (335, 7944), (402, 6620), (536, 4965), (662, 4020), (670, 3972), (804, 3310), (993, 2680), (1005, 2648), (1324, 2010), (1340, 1986), (1608, 1655)]