8990554860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{20563}}^1$

素因数の和:20932

約数の個数: 144

約数和(自身を含む): 31258596096

約数和(自身を除く): 22268041236

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 347, 420, 630, 694, 1041, 1260, 1388, 1735, 2082, 2429, 3123, 3470, 4164, 4858, 5205, 6246, 6940, 7287, 9716, 10410, 12145, 12492, 14574, 15615, 20563, 20820, 21861, 24290, 29148, 31230, 36435, 41126, 43722, 48580, 61689, 62460, 72870, 82252, 87444, 102815, 109305, 123378, 143941, 145740, 185067, 205630, 218610, 246756, 287882, 308445, 370134, 411260, 431823, 437220, 575764, 616890, 719705, 740268, 863646, 925335, 1233780, 1295469, 1439410, 1727292, 1850670, 2159115, 2590938, 2878820, 3701340, 4318230, 5181876, 6477345, 7135361, 8636460, 12954690, 14270722, 21406083, 25909380, 28541444, 35676805, 42812166, 49947527, 64218249, 71353610, 85624332, 99895054, 107030415, 128436498, 142707220, 149842581, 199790108, 214060830, 249737635, 256872996, 299685162, 321091245, 428121660, 449527743, 499475270, 599370324, 642182490, 749212905, 899055486, 998950540, 1284364980, 1498425810, 1798110972, 2247638715, 2996851620, 4495277430, 8990554860]

約数ペア:

[(1, 8990554860), (2, 4495277430), (3, 2996851620), (4, 2247638715), (5, 1798110972), (6, 1498425810), (7, 1284364980), (9, 998950540), (10, 899055486), (12, 749212905), (14, 642182490), (15, 599370324), (18, 499475270), (20, 449527743), (21, 428121660), (28, 321091245), (30, 299685162), (35, 256872996), (36, 249737635), (42, 214060830), (45, 199790108), (60, 149842581), (63, 142707220), (70, 128436498), (84, 107030415), (90, 99895054), (105, 85624332), (126, 71353610), (140, 64218249), (180, 49947527), (210, 42812166), (252, 35676805), (315, 28541444), (347, 25909380), (420, 21406083), (630, 14270722), (694, 12954690), (1041, 8636460), (1260, 7135361), (1388, 6477345), (1735, 5181876), (2082, 4318230), (2429, 3701340), (3123, 2878820), (3470, 2590938), (4164, 2159115), (4858, 1850670), (5205, 1727292), (6246, 1439410), (6940, 1295469), (7287, 1233780), (9716, 925335), (10410, 863646), (12145, 740268), (12492, 719705), (14574, 616890), (15615, 575764), (20563, 437220), (20820, 431823), (21861, 411260), (24290, 370134), (29148, 308445), (31230, 287882), (36435, 246756), (41126, 218610), (43722, 205630), (48580, 185067), (61689, 145740), (62460, 143941), (72870, 123378), (82252, 109305), (87444, 102815)]