1965420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1$

素因数の和:255

約数の個数: 72

約数和(自身を含む): 6093360

約数和(自身を除く): 4127940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 179, 180, 183, 244, 305, 358, 366, 537, 549, 610, 716, 732, 895, 915, 1074, 1098, 1220, 1611, 1790, 1830, 2148, 2196, 2685, 2745, 3222, 3580, 3660, 5370, 5490, 6444, 8055, 10740, 10919, 10980, 16110, 21838, 32220, 32757, 43676, 54595, 65514, 98271, 109190, 131028, 163785, 196542, 218380, 327570, 393084, 491355, 655140, 982710, 1965420]

約数ペア:

[(1, 1965420), (2, 982710), (3, 655140), (4, 491355), (5, 393084), (6, 327570), (9, 218380), (10, 196542), (12, 163785), (15, 131028), (18, 109190), (20, 98271), (30, 65514), (36, 54595), (45, 43676), (60, 32757), (61, 32220), (90, 21838), (122, 16110), (179, 10980), (180, 10919), (183, 10740), (244, 8055), (305, 6444), (358, 5490), (366, 5370), (537, 3660), (549, 3580), (610, 3222), (716, 2745), (732, 2685), (895, 2196), (915, 2148), (1074, 1830), (1098, 1790), (1220, 1611)]