78261920

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{839}}^1$

素因数の和:918

約数の個数: 96

約数和(自身を含む): 205752960

約数和(自身を除く): 127491040

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 53, 55, 80, 88, 106, 110, 160, 176, 212, 220, 265, 352, 424, 440, 530, 583, 839, 848, 880, 1060, 1166, 1678, 1696, 1760, 2120, 2332, 2915, 3356, 4195, 4240, 4664, 5830, 6712, 8390, 8480, 9229, 9328, 11660, 13424, 16780, 18458, 18656, 23320, 26848, 33560, 36916, 44467, 46145, 46640, 67120, 73832, 88934, 92290, 93280, 134240, 147664, 177868, 184580, 222335, 295328, 355736, 369160, 444670, 489137, 711472, 738320, 889340, 978274, 1422944, 1476640, 1778680, 1956548, 2445685, 3557360, 3913096, 4891370, 7114720, 7826192, 9782740, 15652384, 19565480, 39130960, 78261920]

約数ペア:

[(1, 78261920), (2, 39130960), (4, 19565480), (5, 15652384), (8, 9782740), (10, 7826192), (11, 7114720), (16, 4891370), (20, 3913096), (22, 3557360), (32, 2445685), (40, 1956548), (44, 1778680), (53, 1476640), (55, 1422944), (80, 978274), (88, 889340), (106, 738320), (110, 711472), (160, 489137), (176, 444670), (212, 369160), (220, 355736), (265, 295328), (352, 222335), (424, 184580), (440, 177868), (530, 147664), (583, 134240), (839, 93280), (848, 92290), (880, 88934), (1060, 73832), (1166, 67120), (1678, 46640), (1696, 46145), (1760, 44467), (2120, 36916), (2332, 33560), (2915, 26848), (3356, 23320), (4195, 18656), (4240, 18458), (4664, 16780), (5830, 13424), (6712, 11660), (8390, 9328), (8480, 9229)]