30725820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{809}}^1$

素因数の和:1035

約数の個数: 72

約数和(自身を含む): 93759120

約数和(自身を除く): 63033300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 211, 422, 633, 809, 844, 1055, 1266, 1618, 1899, 2110, 2427, 2532, 3165, 3236, 3798, 4045, 4220, 4854, 6330, 7281, 7596, 8090, 9495, 9708, 12135, 12660, 14562, 16180, 18990, 24270, 29124, 36405, 37980, 48540, 72810, 145620, 170699, 341398, 512097, 682796, 853495, 1024194, 1536291, 1706990, 2048388, 2560485, 3072582, 3413980, 5120970, 6145164, 7681455, 10241940, 15362910, 30725820]

約数ペア:

[(1, 30725820), (2, 15362910), (3, 10241940), (4, 7681455), (5, 6145164), (6, 5120970), (9, 3413980), (10, 3072582), (12, 2560485), (15, 2048388), (18, 1706990), (20, 1536291), (30, 1024194), (36, 853495), (45, 682796), (60, 512097), (90, 341398), (180, 170699), (211, 145620), (422, 72810), (633, 48540), (809, 37980), (844, 36405), (1055, 29124), (1266, 24270), (1618, 18990), (1899, 16180), (2110, 14562), (2427, 12660), (2532, 12135), (3165, 9708), (3236, 9495), (3798, 8090), (4045, 7596), (4220, 7281), (4854, 6330)]