28731510

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{449}}^1$

素因数の和:547

約数の個数: 80

約数和(自身を含む): 78408000

約数和(自身を除く): 49676490

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 79, 81, 90, 135, 158, 162, 237, 270, 395, 405, 449, 474, 711, 790, 810, 898, 1185, 1347, 1422, 2133, 2245, 2370, 2694, 3555, 4041, 4266, 4490, 6399, 6735, 7110, 8082, 10665, 12123, 12798, 13470, 20205, 21330, 24246, 31995, 35471, 36369, 40410, 60615, 63990, 70942, 72738, 106413, 121230, 177355, 181845, 212826, 319239, 354710, 363690, 532065, 638478, 957717, 1064130, 1596195, 1915434, 2873151, 3192390, 4788585, 5746302, 9577170, 14365755, 28731510]

約数ペア:

[(1, 28731510), (2, 14365755), (3, 9577170), (5, 5746302), (6, 4788585), (9, 3192390), (10, 2873151), (15, 1915434), (18, 1596195), (27, 1064130), (30, 957717), (45, 638478), (54, 532065), (79, 363690), (81, 354710), (90, 319239), (135, 212826), (158, 181845), (162, 177355), (237, 121230), (270, 106413), (395, 72738), (405, 70942), (449, 63990), (474, 60615), (711, 40410), (790, 36369), (810, 35471), (898, 31995), (1185, 24246), (1347, 21330), (1422, 20205), (2133, 13470), (2245, 12798), (2370, 12123), (2694, 10665), (3555, 8082), (4041, 7110), (4266, 6735), (4490, 6399)]