180991980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{77347}}^1$

素因数の和:77375

約数の個数: 72

約数和(自身を含む): 591248112

約数和(自身を除く): 410256132

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 77347, 154694, 232041, 309388, 386735, 464082, 696123, 773470, 928164, 1005511, 1160205, 1392246, 1546940, 2011022, 2320410, 2784492, 3016533, 3480615, 4022044, 4640820, 5027555, 6033066, 6961230, 9049599, 10055110, 12066132, 13922460, 15082665, 18099198, 20110220, 30165330, 36198396, 45247995, 60330660, 90495990, 180991980]

約数ペア:

[(1, 180991980), (2, 90495990), (3, 60330660), (4, 45247995), (5, 36198396), (6, 30165330), (9, 20110220), (10, 18099198), (12, 15082665), (13, 13922460), (15, 12066132), (18, 10055110), (20, 9049599), (26, 6961230), (30, 6033066), (36, 5027555), (39, 4640820), (45, 4022044), (52, 3480615), (60, 3016533), (65, 2784492), (78, 2320410), (90, 2011022), (117, 1546940), (130, 1392246), (156, 1160205), (180, 1005511), (195, 928164), (234, 773470), (260, 696123), (390, 464082), (468, 386735), (585, 309388), (780, 232041), (1170, 154694), (2340, 77347)]