159663720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{7351}}^1$

素因数の和:7546

約数の個数: 64

約数和(自身を含む): 481703040

約数和(自身を除く): 322039320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 181, 362, 543, 724, 905, 1086, 1448, 1810, 2172, 2715, 3620, 4344, 5430, 7240, 7351, 10860, 14702, 21720, 22053, 29404, 36755, 44106, 58808, 73510, 88212, 110265, 147020, 176424, 220530, 294040, 441060, 882120, 1330531, 2661062, 3991593, 5322124, 6652655, 7983186, 10644248, 13305310, 15966372, 19957965, 26610620, 31932744, 39915930, 53221240, 79831860, 159663720]

約数ペア:

[(1, 159663720), (2, 79831860), (3, 53221240), (4, 39915930), (5, 31932744), (6, 26610620), (8, 19957965), (10, 15966372), (12, 13305310), (15, 10644248), (20, 7983186), (24, 6652655), (30, 5322124), (40, 3991593), (60, 2661062), (120, 1330531), (181, 882120), (362, 441060), (543, 294040), (724, 220530), (905, 176424), (1086, 147020), (1448, 110265), (1810, 88212), (2172, 73510), (2715, 58808), (3620, 44106), (4344, 36755), (5430, 29404), (7240, 22053), (7351, 21720), (10860, 14702)]