18177720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{293}}^1$

素因数の和:365

約数の個数: 128

約数和(自身を含む): 60963840

約数和(自身を除く): 42786120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 47, 55, 60, 66, 88, 94, 110, 120, 132, 141, 165, 188, 220, 235, 264, 282, 293, 330, 376, 440, 470, 517, 564, 586, 660, 705, 879, 940, 1034, 1128, 1172, 1320, 1410, 1465, 1551, 1758, 1880, 2068, 2344, 2585, 2820, 2930, 3102, 3223, 3516, 4136, 4395, 5170, 5640, 5860, 6204, 6446, 7032, 7755, 8790, 9669, 10340, 11720, 12408, 12892, 13771, 15510, 16115, 17580, 19338, 20680, 25784, 27542, 31020, 32230, 35160, 38676, 41313, 48345, 55084, 62040, 64460, 68855, 77352, 82626, 96690, 110168, 128920, 137710, 151481, 165252, 193380, 206565, 275420, 302962, 330504, 386760, 413130, 454443, 550840, 605924, 757405, 826260, 908886, 1211848, 1514810, 1652520, 1817772, 2272215, 3029620, 3635544, 4544430, 6059240, 9088860, 18177720]

約数ペア:

[(1, 18177720), (2, 9088860), (3, 6059240), (4, 4544430), (5, 3635544), (6, 3029620), (8, 2272215), (10, 1817772), (11, 1652520), (12, 1514810), (15, 1211848), (20, 908886), (22, 826260), (24, 757405), (30, 605924), (33, 550840), (40, 454443), (44, 413130), (47, 386760), (55, 330504), (60, 302962), (66, 275420), (88, 206565), (94, 193380), (110, 165252), (120, 151481), (132, 137710), (141, 128920), (165, 110168), (188, 96690), (220, 82626), (235, 77352), (264, 68855), (282, 64460), (293, 62040), (330, 55084), (376, 48345), (440, 41313), (470, 38676), (517, 35160), (564, 32230), (586, 31020), (660, 27542), (705, 25784), (879, 20680), (940, 19338), (1034, 17580), (1128, 16115), (1172, 15510), (1320, 13771), (1410, 12892), (1465, 12408), (1551, 11720), (1758, 10340), (1880, 9669), (2068, 8790), (2344, 7755), (2585, 7032), (2820, 6446), (2930, 6204), (3102, 5860), (3223, 5640), (3516, 5170), (4136, 4395)]