72707280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{491}}^1\times {\mathrm{617}}^1$

素因数の和:1124

約数の個数: 80

約数和(自身を含む): 226217664

約数和(自身を除く): 153510384

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 491, 617, 982, 1234, 1473, 1851, 1964, 2455, 2468, 2946, 3085, 3702, 3928, 4910, 4936, 5892, 6170, 7365, 7404, 7856, 9255, 9820, 9872, 11784, 12340, 14730, 14808, 18510, 19640, 23568, 24680, 29460, 29616, 37020, 39280, 49360, 58920, 74040, 117840, 148080, 302947, 605894, 908841, 1211788, 1514735, 1817682, 2423576, 3029470, 3635364, 4544205, 4847152, 6058940, 7270728, 9088410, 12117880, 14541456, 18176820, 24235760, 36353640, 72707280]

約数ペア:

[(1, 72707280), (2, 36353640), (3, 24235760), (4, 18176820), (5, 14541456), (6, 12117880), (8, 9088410), (10, 7270728), (12, 6058940), (15, 4847152), (16, 4544205), (20, 3635364), (24, 3029470), (30, 2423576), (40, 1817682), (48, 1514735), (60, 1211788), (80, 908841), (120, 605894), (240, 302947), (491, 148080), (617, 117840), (982, 74040), (1234, 58920), (1473, 49360), (1851, 39280), (1964, 37020), (2455, 29616), (2468, 29460), (2946, 24680), (3085, 23568), (3702, 19640), (3928, 18510), (4910, 14808), (4936, 14730), (5892, 12340), (6170, 11784), (7365, 9872), (7404, 9820), (7856, 9255)]