72965776

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{499}}^1$

素因数の和:576

約数の個数: 80

約数和(自身を含む): 164920000

約数和(自身を除く): 91954224

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 37, 38, 52, 74, 76, 104, 148, 152, 208, 247, 296, 304, 481, 494, 499, 592, 703, 962, 988, 998, 1406, 1924, 1976, 1996, 2812, 3848, 3952, 3992, 5624, 6487, 7696, 7984, 9139, 9481, 11248, 12974, 18278, 18463, 18962, 25948, 36556, 36926, 37924, 51896, 73112, 73852, 75848, 103792, 123253, 146224, 147704, 151696, 240019, 246506, 295408, 350797, 480038, 493012, 701594, 960076, 986024, 1403188, 1920152, 1972048, 2806376, 3840304, 4560361, 5612752, 9120722, 18241444, 36482888, 72965776]

約数ペア:

[(1, 72965776), (2, 36482888), (4, 18241444), (8, 9120722), (13, 5612752), (16, 4560361), (19, 3840304), (26, 2806376), (37, 1972048), (38, 1920152), (52, 1403188), (74, 986024), (76, 960076), (104, 701594), (148, 493012), (152, 480038), (208, 350797), (247, 295408), (296, 246506), (304, 240019), (481, 151696), (494, 147704), (499, 146224), (592, 123253), (703, 103792), (962, 75848), (988, 73852), (998, 73112), (1406, 51896), (1924, 37924), (1976, 36926), (1996, 36556), (2812, 25948), (3848, 18962), (3952, 18463), (3992, 18278), (5624, 12974), (6487, 11248), (7696, 9481), (7984, 9139)]