490440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:142

約数の個数: 64

約数和(自身を含む): 1517760

約数和(自身を除く): 1027320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 67, 120, 122, 134, 183, 201, 244, 268, 305, 335, 366, 402, 488, 536, 610, 670, 732, 804, 915, 1005, 1220, 1340, 1464, 1608, 1830, 2010, 2440, 2680, 3660, 4020, 4087, 7320, 8040, 8174, 12261, 16348, 20435, 24522, 32696, 40870, 49044, 61305, 81740, 98088, 122610, 163480, 245220, 490440]

約数ペア:

[(1, 490440), (2, 245220), (3, 163480), (4, 122610), (5, 98088), (6, 81740), (8, 61305), (10, 49044), (12, 40870), (15, 32696), (20, 24522), (24, 20435), (30, 16348), (40, 12261), (60, 8174), (61, 8040), (67, 7320), (120, 4087), (122, 4020), (134, 3660), (183, 2680), (201, 2440), (244, 2010), (268, 1830), (305, 1608), (335, 1464), (366, 1340), (402, 1220), (488, 1005), (536, 915), (610, 804), (670, 732)]