90032940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2539}}^1$

素因数の和:2751

約数の個数: 72

約数和(自身を含む): 274594320

約数和(自身を除く): 184561380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 197, 394, 591, 788, 985, 1182, 1773, 1970, 2364, 2539, 2955, 3546, 3940, 5078, 5910, 7092, 7617, 8865, 10156, 11820, 12695, 15234, 17730, 22851, 25390, 30468, 35460, 38085, 45702, 50780, 76170, 91404, 114255, 152340, 228510, 457020, 500183, 1000366, 1500549, 2000732, 2500915, 3001098, 4501647, 5001830, 6002196, 7502745, 9003294, 10003660, 15005490, 18006588, 22508235, 30010980, 45016470, 90032940]

約数ペア:

[(1, 90032940), (2, 45016470), (3, 30010980), (4, 22508235), (5, 18006588), (6, 15005490), (9, 10003660), (10, 9003294), (12, 7502745), (15, 6002196), (18, 5001830), (20, 4501647), (30, 3001098), (36, 2500915), (45, 2000732), (60, 1500549), (90, 1000366), (180, 500183), (197, 457020), (394, 228510), (591, 152340), (788, 114255), (985, 91404), (1182, 76170), (1773, 50780), (1970, 45702), (2364, 38085), (2539, 35460), (2955, 30468), (3546, 25390), (3940, 22851), (5078, 17730), (5910, 15234), (7092, 12695), (7617, 11820), (8865, 10156)]