638962680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{293}}^1\times {\mathrm{1069}}^1$

素因数の和:1393

約数の個数: 128

約数和(自身を含む): 2038478400

約数和(自身を除く): 1399515720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 293, 340, 408, 510, 586, 680, 879, 1020, 1069, 1172, 1465, 1758, 2040, 2138, 2344, 2930, 3207, 3516, 4276, 4395, 4981, 5345, 5860, 6414, 7032, 8552, 8790, 9962, 10690, 11720, 12828, 14943, 16035, 17580, 18173, 19924, 21380, 24905, 25656, 29886, 32070, 35160, 36346, 39848, 42760, 49810, 54519, 59772, 64140, 72692, 74715, 90865, 99620, 109038, 119544, 128280, 145384, 149430, 181730, 199240, 218076, 272595, 298860, 313217, 363460, 436152, 545190, 597720, 626434, 726920, 939651, 1090380, 1252868, 1566085, 1879302, 2180760, 2505736, 3132170, 3758604, 4698255, 5324689, 6264340, 7517208, 9396510, 10649378, 12528680, 15974067, 18793020, 21298756, 26623445, 31948134, 37586040, 42597512, 53246890, 63896268, 79870335, 106493780, 127792536, 159740670, 212987560, 319481340, 638962680]

約数ペア:

[(1, 638962680), (2, 319481340), (3, 212987560), (4, 159740670), (5, 127792536), (6, 106493780), (8, 79870335), (10, 63896268), (12, 53246890), (15, 42597512), (17, 37586040), (20, 31948134), (24, 26623445), (30, 21298756), (34, 18793020), (40, 15974067), (51, 12528680), (60, 10649378), (68, 9396510), (85, 7517208), (102, 6264340), (120, 5324689), (136, 4698255), (170, 3758604), (204, 3132170), (255, 2505736), (293, 2180760), (340, 1879302), (408, 1566085), (510, 1252868), (586, 1090380), (680, 939651), (879, 726920), (1020, 626434), (1069, 597720), (1172, 545190), (1465, 436152), (1758, 363460), (2040, 313217), (2138, 298860), (2344, 272595), (2930, 218076), (3207, 199240), (3516, 181730), (4276, 149430), (4395, 145384), (4981, 128280), (5345, 119544), (5860, 109038), (6414, 99620), (7032, 90865), (8552, 74715), (8790, 72692), (9962, 64140), (10690, 59772), (11720, 54519), (12828, 49810), (14943, 42760), (16035, 39848), (17580, 36346), (18173, 35160), (19924, 32070), (21380, 29886), (24905, 25656)]