820428528

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{7573}}^1$

素因数の和:7682

約数の個数: 80

約数和(自身を含む): 2212698656

約数和(自身を除く): 1392270128

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 48, 61, 74, 111, 122, 148, 183, 222, 244, 296, 366, 444, 488, 592, 732, 888, 976, 1464, 1776, 2257, 2928, 4514, 6771, 7573, 9028, 13542, 15146, 18056, 22719, 27084, 30292, 36112, 45438, 54168, 60584, 90876, 108336, 121168, 181752, 280201, 363504, 461953, 560402, 840603, 923906, 1120804, 1385859, 1681206, 1847812, 2241608, 2771718, 3362412, 3695624, 4483216, 5543436, 6724824, 7391248, 11086872, 13449648, 17092261, 22173744, 34184522, 51276783, 68369044, 102553566, 136738088, 205107132, 273476176, 410214264, 820428528]

約数ペア:

[(1, 820428528), (2, 410214264), (3, 273476176), (4, 205107132), (6, 136738088), (8, 102553566), (12, 68369044), (16, 51276783), (24, 34184522), (37, 22173744), (48, 17092261), (61, 13449648), (74, 11086872), (111, 7391248), (122, 6724824), (148, 5543436), (183, 4483216), (222, 3695624), (244, 3362412), (296, 2771718), (366, 2241608), (444, 1847812), (488, 1681206), (592, 1385859), (732, 1120804), (888, 923906), (976, 840603), (1464, 560402), (1776, 461953), (2257, 363504), (2928, 280201), (4514, 181752), (6771, 121168), (7573, 108336), (9028, 90876), (13542, 60584), (15146, 54168), (18056, 45438), (22719, 36112), (27084, 30292)]