72937280

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:316

約数の個数: 112

約数和(自身を含む): 190103760

約数和(自身を除く): 117166480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 89, 104, 130, 160, 178, 197, 208, 260, 320, 356, 394, 416, 445, 520, 712, 788, 832, 890, 985, 1040, 1157, 1424, 1576, 1780, 1970, 2080, 2314, 2561, 2848, 3152, 3560, 3940, 4160, 4628, 5122, 5696, 5785, 6304, 7120, 7880, 9256, 10244, 11570, 12608, 12805, 14240, 15760, 17533, 18512, 20488, 23140, 25610, 28480, 31520, 35066, 37024, 40976, 46280, 51220, 63040, 70132, 74048, 81952, 87665, 92560, 102440, 140264, 163904, 175330, 185120, 204880, 227929, 280528, 350660, 370240, 409760, 455858, 561056, 701320, 819520, 911716, 1122112, 1139645, 1402640, 1823432, 2279290, 2805280, 3646864, 4558580, 5610560, 7293728, 9117160, 14587456, 18234320, 36468640, 72937280]

約数ペア:

[(1, 72937280), (2, 36468640), (4, 18234320), (5, 14587456), (8, 9117160), (10, 7293728), (13, 5610560), (16, 4558580), (20, 3646864), (26, 2805280), (32, 2279290), (40, 1823432), (52, 1402640), (64, 1139645), (65, 1122112), (80, 911716), (89, 819520), (104, 701320), (130, 561056), (160, 455858), (178, 409760), (197, 370240), (208, 350660), (260, 280528), (320, 227929), (356, 204880), (394, 185120), (416, 175330), (445, 163904), (520, 140264), (712, 102440), (788, 92560), (832, 87665), (890, 81952), (985, 74048), (1040, 70132), (1157, 63040), (1424, 51220), (1576, 46280), (1780, 40976), (1970, 37024), (2080, 35066), (2314, 31520), (2561, 28480), (2848, 25610), (3152, 23140), (3560, 20488), (3940, 18512), (4160, 17533), (4628, 15760), (5122, 14240), (5696, 12805), (5785, 12608), (6304, 11570), (7120, 10244), (7880, 9256)]