72700540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:235

約数の個数: 96

約数和(自身を含む): 174182400

約数和(自身を除く): 101481860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 79, 89, 94, 110, 158, 178, 188, 220, 235, 316, 356, 395, 445, 470, 517, 790, 869, 890, 940, 979, 1034, 1580, 1738, 1780, 1958, 2068, 2585, 3476, 3713, 3916, 4183, 4345, 4895, 5170, 7031, 7426, 8366, 8690, 9790, 10340, 14062, 14852, 16732, 17380, 18565, 19580, 20915, 28124, 35155, 37130, 40843, 41830, 46013, 70310, 74260, 77341, 81686, 83660, 92026, 140620, 154682, 163372, 184052, 204215, 230065, 309364, 330457, 386705, 408430, 460130, 660914, 773410, 816860, 920260, 1321828, 1546820, 1652285, 3304570, 3635027, 6609140, 7270054, 14540108, 18175135, 36350270, 72700540]

約数ペア:

[(1, 72700540), (2, 36350270), (4, 18175135), (5, 14540108), (10, 7270054), (11, 6609140), (20, 3635027), (22, 3304570), (44, 1652285), (47, 1546820), (55, 1321828), (79, 920260), (89, 816860), (94, 773410), (110, 660914), (158, 460130), (178, 408430), (188, 386705), (220, 330457), (235, 309364), (316, 230065), (356, 204215), (395, 184052), (445, 163372), (470, 154682), (517, 140620), (790, 92026), (869, 83660), (890, 81686), (940, 77341), (979, 74260), (1034, 70310), (1580, 46013), (1738, 41830), (1780, 40843), (1958, 37130), (2068, 35155), (2585, 28124), (3476, 20915), (3713, 19580), (3916, 18565), (4183, 17380), (4345, 16732), (4895, 14852), (5170, 14062), (7031, 10340), (7426, 9790), (8366, 8690)]