15031120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:272

約数の個数: 80

約数和(自身を含む): 38278800

約数和(自身を除く): 23247680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 97, 104, 130, 149, 194, 208, 260, 298, 388, 485, 520, 596, 745, 776, 970, 1040, 1192, 1261, 1490, 1552, 1937, 1940, 2384, 2522, 2980, 3874, 3880, 5044, 5960, 6305, 7748, 7760, 9685, 10088, 11920, 12610, 14453, 15496, 19370, 20176, 25220, 28906, 30992, 38740, 50440, 57812, 72265, 77480, 100880, 115624, 144530, 154960, 187889, 231248, 289060, 375778, 578120, 751556, 939445, 1156240, 1503112, 1878890, 3006224, 3757780, 7515560, 15031120]

約数ペア:

[(1, 15031120), (2, 7515560), (4, 3757780), (5, 3006224), (8, 1878890), (10, 1503112), (13, 1156240), (16, 939445), (20, 751556), (26, 578120), (40, 375778), (52, 289060), (65, 231248), (80, 187889), (97, 154960), (104, 144530), (130, 115624), (149, 100880), (194, 77480), (208, 72265), (260, 57812), (298, 50440), (388, 38740), (485, 30992), (520, 28906), (596, 25220), (745, 20176), (776, 19370), (970, 15496), (1040, 14453), (1192, 12610), (1261, 11920), (1490, 10088), (1552, 9685), (1937, 7760), (1940, 7748), (2384, 6305), (2522, 5960), (2980, 5044), (3874, 3880)]