28650180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1597}}^1$

素因数の和:1645

約数の個数: 96

約数和(自身を含む): 90203904

約数和(自身を除く): 61553724

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 23, 26, 30, 39, 46, 52, 60, 65, 69, 78, 92, 115, 130, 138, 156, 195, 230, 260, 276, 299, 345, 390, 460, 598, 690, 780, 897, 1196, 1380, 1495, 1597, 1794, 2990, 3194, 3588, 4485, 4791, 5980, 6388, 7985, 8970, 9582, 15970, 17940, 19164, 20761, 23955, 31940, 36731, 41522, 47910, 62283, 73462, 83044, 95820, 103805, 110193, 124566, 146924, 183655, 207610, 220386, 249132, 311415, 367310, 415220, 440772, 477503, 550965, 622830, 734620, 955006, 1101930, 1245660, 1432509, 1910012, 2203860, 2387515, 2865018, 4775030, 5730036, 7162545, 9550060, 14325090, 28650180]

約数ペア:

[(1, 28650180), (2, 14325090), (3, 9550060), (4, 7162545), (5, 5730036), (6, 4775030), (10, 2865018), (12, 2387515), (13, 2203860), (15, 1910012), (20, 1432509), (23, 1245660), (26, 1101930), (30, 955006), (39, 734620), (46, 622830), (52, 550965), (60, 477503), (65, 440772), (69, 415220), (78, 367310), (92, 311415), (115, 249132), (130, 220386), (138, 207610), (156, 183655), (195, 146924), (230, 124566), (260, 110193), (276, 103805), (299, 95820), (345, 83044), (390, 73462), (460, 62283), (598, 47910), (690, 41522), (780, 36731), (897, 31940), (1196, 23955), (1380, 20761), (1495, 19164), (1597, 17940), (1794, 15970), (2990, 9582), (3194, 8970), (3588, 7985), (4485, 6388), (4791, 5980)]