245220

素因数分解:

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

素因数の和:140

約数の個数: 48

約数和(自身を含む): 708288

約数和(自身を除く): 463068

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 67, 122, 134, 183, 201, 244, 268, 305, 335, 366, 402, 610, 670, 732, 804, 915, 1005, 1220, 1340, 1830, 2010, 3660, 4020, 4087, 8174, 12261, 16348, 20435, 24522, 40870, 49044, 61305, 81740, 122610, 245220]

約数ペア:

[(1, 245220), (2, 122610), (3, 81740), (4, 61305), (5, 49044), (6, 40870), (10, 24522), (12, 20435), (15, 16348), (20, 12261), (30, 8174), (60, 4087), (61, 4020), (67, 3660), (122, 2010), (134, 1830), (183, 1340), (201, 1220), (244, 1005), (268, 915), (305, 804), (335, 732), (366, 670), (402, 610)]