87805680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{21521}}^1$

素因数の和:21554

約数の個数: 80

約数和(自身を含む): 288222624

約数和(自身を除く): 200416944

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 21521, 43042, 64563, 86084, 107605, 129126, 172168, 215210, 258252, 322815, 344336, 365857, 430420, 516504, 645630, 731714, 860840, 1033008, 1097571, 1291260, 1463428, 1721680, 1829285, 2195142, 2582520, 2926856, 3658570, 4390284, 5165040, 5487855, 5853712, 7317140, 8780568, 10975710, 14634280, 17561136, 21951420, 29268560, 43902840, 87805680]

約数ペア:

[(1, 87805680), (2, 43902840), (3, 29268560), (4, 21951420), (5, 17561136), (6, 14634280), (8, 10975710), (10, 8780568), (12, 7317140), (15, 5853712), (16, 5487855), (17, 5165040), (20, 4390284), (24, 3658570), (30, 2926856), (34, 2582520), (40, 2195142), (48, 1829285), (51, 1721680), (60, 1463428), (68, 1291260), (80, 1097571), (85, 1033008), (102, 860840), (120, 731714), (136, 645630), (170, 516504), (204, 430420), (240, 365857), (255, 344336), (272, 322815), (340, 258252), (408, 215210), (510, 172168), (680, 129126), (816, 107605), (1020, 86084), (1360, 64563), (2040, 43042), (4080, 21521)]