30156880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{271}}^1$

素因数の和:404

約数の個数: 80

約数和(自身を含む): 76495104

約数和(自身を除く): 46338224

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 107, 130, 208, 214, 260, 271, 428, 520, 535, 542, 856, 1040, 1070, 1084, 1355, 1391, 1712, 2140, 2168, 2710, 2782, 3523, 4280, 4336, 5420, 5564, 6955, 7046, 8560, 10840, 11128, 13910, 14092, 17615, 21680, 22256, 27820, 28184, 28997, 35230, 55640, 56368, 57994, 70460, 111280, 115988, 140920, 144985, 231976, 281840, 289970, 376961, 463952, 579940, 753922, 1159880, 1507844, 1884805, 2319760, 3015688, 3769610, 6031376, 7539220, 15078440, 30156880]

約数ペア:

[(1, 30156880), (2, 15078440), (4, 7539220), (5, 6031376), (8, 3769610), (10, 3015688), (13, 2319760), (16, 1884805), (20, 1507844), (26, 1159880), (40, 753922), (52, 579940), (65, 463952), (80, 376961), (104, 289970), (107, 281840), (130, 231976), (208, 144985), (214, 140920), (260, 115988), (271, 111280), (428, 70460), (520, 57994), (535, 56368), (542, 55640), (856, 35230), (1040, 28997), (1070, 28184), (1084, 27820), (1355, 22256), (1391, 21680), (1712, 17615), (2140, 14092), (2168, 13910), (2710, 11128), (2782, 10840), (3523, 8560), (4280, 7046), (4336, 6955), (5420, 5564)]