71142390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71861}}^1$

素因数の和:71885

約数の個数: 48

約数和(自身を含む): 201788496

約数和(自身を除く): 130646106

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 71861, 143722, 215583, 359305, 431166, 646749, 718610, 790471, 1077915, 1293498, 1580942, 2155830, 2371413, 3233745, 3952355, 4742826, 6467490, 7114239, 7904710, 11857065, 14228478, 23714130, 35571195, 71142390]

約数ペア:

[(1, 71142390), (2, 35571195), (3, 23714130), (5, 14228478), (6, 11857065), (9, 7904710), (10, 7114239), (11, 6467490), (15, 4742826), (18, 3952355), (22, 3233745), (30, 2371413), (33, 2155830), (45, 1580942), (55, 1293498), (66, 1077915), (90, 790471), (99, 718610), (110, 646749), (165, 431166), (198, 359305), (330, 215583), (495, 143722), (990, 71861)]