213238920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{29131}}^1$

素因数の和:29206

約数の個数: 64

約数和(自身を含む): 650226240

約数和(自身を除く): 436987320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 183, 244, 305, 366, 488, 610, 732, 915, 1220, 1464, 1830, 2440, 3660, 7320, 29131, 58262, 87393, 116524, 145655, 174786, 233048, 291310, 349572, 436965, 582620, 699144, 873930, 1165240, 1747860, 1776991, 3495720, 3553982, 5330973, 7107964, 8884955, 10661946, 14215928, 17769910, 21323892, 26654865, 35539820, 42647784, 53309730, 71079640, 106619460, 213238920]

約数ペア:

[(1, 213238920), (2, 106619460), (3, 71079640), (4, 53309730), (5, 42647784), (6, 35539820), (8, 26654865), (10, 21323892), (12, 17769910), (15, 14215928), (20, 10661946), (24, 8884955), (30, 7107964), (40, 5330973), (60, 3553982), (61, 3495720), (120, 1776991), (122, 1747860), (183, 1165240), (244, 873930), (305, 699144), (366, 582620), (488, 436965), (610, 349572), (732, 291310), (915, 233048), (1220, 174786), (1464, 145655), (1830, 116524), (2440, 87393), (3660, 58262), (7320, 29131)]