7080492040

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{1777}}^1$

素因数の和:1943

約数の個数: 128

約数和(自身を含む): 17143902720

約数和(自身を除く): 10063410680

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 61, 71, 92, 115, 122, 142, 184, 230, 244, 284, 305, 355, 460, 488, 568, 610, 710, 920, 1220, 1403, 1420, 1633, 1777, 2440, 2806, 2840, 3266, 3554, 4331, 5612, 6532, 7015, 7108, 8165, 8662, 8885, 11224, 13064, 14030, 14216, 16330, 17324, 17770, 21655, 28060, 32660, 34648, 35540, 40871, 43310, 56120, 65320, 71080, 81742, 86620, 99613, 108397, 126167, 163484, 173240, 199226, 204355, 216794, 252334, 326968, 398452, 408710, 433588, 498065, 504668, 541985, 630835, 796904, 817420, 867176, 996130, 1009336, 1083970, 1261670, 1634840, 1992260, 2167940, 2493131, 2523340, 2901841, 3984520, 4335880, 4986262, 5046680, 5803682, 7696187, 9972524, 11607364, 12465655, 14509205, 15392374, 19945048, 23214728, 24931310, 29018410, 30784748, 38480935, 49862620, 58036820, 61569496, 76961870, 99725240, 116073640, 153923740, 177012301, 307847480, 354024602, 708049204, 885061505, 1416098408, 1770123010, 3540246020, 7080492040]

約数ペア:

[(1, 7080492040), (2, 3540246020), (4, 1770123010), (5, 1416098408), (8, 885061505), (10, 708049204), (20, 354024602), (23, 307847480), (40, 177012301), (46, 153923740), (61, 116073640), (71, 99725240), (92, 76961870), (115, 61569496), (122, 58036820), (142, 49862620), (184, 38480935), (230, 30784748), (244, 29018410), (284, 24931310), (305, 23214728), (355, 19945048), (460, 15392374), (488, 14509205), (568, 12465655), (610, 11607364), (710, 9972524), (920, 7696187), (1220, 5803682), (1403, 5046680), (1420, 4986262), (1633, 4335880), (1777, 3984520), (2440, 2901841), (2806, 2523340), (2840, 2493131), (3266, 2167940), (3554, 1992260), (4331, 1634840), (5612, 1261670), (6532, 1083970), (7015, 1009336), (7108, 996130), (8165, 867176), (8662, 817420), (8885, 796904), (11224, 630835), (13064, 541985), (14030, 504668), (14216, 498065), (16330, 433588), (17324, 408710), (17770, 398452), (21655, 326968), (28060, 252334), (32660, 216794), (34648, 204355), (35540, 199226), (40871, 173240), (43310, 163484), (56120, 126167), (65320, 108397), (71080, 99613), (81742, 86620)]