839985840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{31531}}^1$

素因数の和:31587

約数の個数: 120

約数和(自身を含む): 2897286288

約数和(自身を除く): 2057300448

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 37, 40, 45, 48, 60, 72, 74, 80, 90, 111, 120, 144, 148, 180, 185, 222, 240, 296, 333, 360, 370, 444, 555, 592, 666, 720, 740, 888, 1110, 1332, 1480, 1665, 1776, 2220, 2664, 2960, 3330, 4440, 5328, 6660, 8880, 13320, 26640, 31531, 63062, 94593, 126124, 157655, 189186, 252248, 283779, 315310, 378372, 472965, 504496, 567558, 630620, 756744, 945930, 1135116, 1166647, 1261240, 1418895, 1513488, 1891860, 2270232, 2333294, 2522480, 2837790, 3499941, 3783720, 4540464, 4666588, 5675580, 5833235, 6999882, 7567440, 9333176, 10499823, 11351160, 11666470, 13999764, 17499705, 18666352, 20999646, 22702320, 23332940, 27999528, 34999410, 41999292, 46665880, 52499115, 55999056, 69998820, 83998584, 93331760, 104998230, 139997640, 167997168, 209996460, 279995280, 419992920, 839985840]

約数ペア:

[(1, 839985840), (2, 419992920), (3, 279995280), (4, 209996460), (5, 167997168), (6, 139997640), (8, 104998230), (9, 93331760), (10, 83998584), (12, 69998820), (15, 55999056), (16, 52499115), (18, 46665880), (20, 41999292), (24, 34999410), (30, 27999528), (36, 23332940), (37, 22702320), (40, 20999646), (45, 18666352), (48, 17499705), (60, 13999764), (72, 11666470), (74, 11351160), (80, 10499823), (90, 9333176), (111, 7567440), (120, 6999882), (144, 5833235), (148, 5675580), (180, 4666588), (185, 4540464), (222, 3783720), (240, 3499941), (296, 2837790), (333, 2522480), (360, 2333294), (370, 2270232), (444, 1891860), (555, 1513488), (592, 1418895), (666, 1261240), (720, 1166647), (740, 1135116), (888, 945930), (1110, 756744), (1332, 630620), (1480, 567558), (1665, 504496), (1776, 472965), (2220, 378372), (2664, 315310), (2960, 283779), (3330, 252248), (4440, 189186), (5328, 157655), (6660, 126124), (8880, 94593), (13320, 63062), (26640, 31531)]