64101440

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{811}}^1$

素因数の和:860

約数の個数: 112

約数和(自身を含む): 173248320

約数和(自身を除く): 109146880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 104, 130, 152, 160, 190, 208, 247, 260, 304, 320, 380, 416, 494, 520, 608, 760, 811, 832, 988, 1040, 1216, 1235, 1520, 1622, 1976, 2080, 2470, 3040, 3244, 3952, 4055, 4160, 4940, 6080, 6488, 7904, 8110, 9880, 10543, 12976, 15409, 15808, 16220, 19760, 21086, 25952, 30818, 32440, 39520, 42172, 51904, 52715, 61636, 64880, 77045, 79040, 84344, 105430, 123272, 129760, 154090, 168688, 200317, 210860, 246544, 259520, 308180, 337376, 400634, 421720, 493088, 616360, 674752, 801268, 843440, 986176, 1001585, 1232720, 1602536, 1686880, 2003170, 2465440, 3205072, 3373760, 4006340, 4930880, 6410144, 8012680, 12820288, 16025360, 32050720, 64101440]

約数ペア:

[(1, 64101440), (2, 32050720), (4, 16025360), (5, 12820288), (8, 8012680), (10, 6410144), (13, 4930880), (16, 4006340), (19, 3373760), (20, 3205072), (26, 2465440), (32, 2003170), (38, 1686880), (40, 1602536), (52, 1232720), (64, 1001585), (65, 986176), (76, 843440), (80, 801268), (95, 674752), (104, 616360), (130, 493088), (152, 421720), (160, 400634), (190, 337376), (208, 308180), (247, 259520), (260, 246544), (304, 210860), (320, 200317), (380, 168688), (416, 154090), (494, 129760), (520, 123272), (608, 105430), (760, 84344), (811, 79040), (832, 77045), (988, 64880), (1040, 61636), (1216, 52715), (1235, 51904), (1520, 42172), (1622, 39520), (1976, 32440), (2080, 30818), (2470, 25952), (3040, 21086), (3244, 19760), (3952, 16220), (4055, 15808), (4160, 15409), (4940, 12976), (6080, 10543), (6488, 9880), (7904, 8110)]