628700940

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{55441}}^1$

素因数の和:55469

約数の個数: 120

約数和(自身を含む): 2254049952

約数和(自身を除く): 1625349012

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 756, 810, 945, 1134, 1260, 1620, 1890, 2268, 2835, 3780, 5670, 11340, 55441, 110882, 166323, 221764, 277205, 332646, 388087, 498969, 554410, 665292, 776174, 831615, 997938, 1108820, 1164261, 1496907, 1552348, 1663230, 1940435, 1995876, 2328522, 2494845, 2993814, 3326460, 3492783, 3880870, 4490721, 4657044, 4989690, 5821305, 5987628, 6985566, 7484535, 7761740, 8981442, 9979380, 10478349, 11642610, 13971132, 14969070, 17463915, 17962884, 20956698, 22453605, 23285220, 29938140, 31435047, 34927830, 41913396, 44907210, 52391745, 62870094, 69855660, 89814420, 104783490, 125740188, 157175235, 209566980, 314350470, 628700940]

約数ペア:

[(1, 628700940), (2, 314350470), (3, 209566980), (4, 157175235), (5, 125740188), (6, 104783490), (7, 89814420), (9, 69855660), (10, 62870094), (12, 52391745), (14, 44907210), (15, 41913396), (18, 34927830), (20, 31435047), (21, 29938140), (27, 23285220), (28, 22453605), (30, 20956698), (35, 17962884), (36, 17463915), (42, 14969070), (45, 13971132), (54, 11642610), (60, 10478349), (63, 9979380), (70, 8981442), (81, 7761740), (84, 7484535), (90, 6985566), (105, 5987628), (108, 5821305), (126, 4989690), (135, 4657044), (140, 4490721), (162, 3880870), (180, 3492783), (189, 3326460), (210, 2993814), (252, 2494845), (270, 2328522), (315, 1995876), (324, 1940435), (378, 1663230), (405, 1552348), (420, 1496907), (540, 1164261), (567, 1108820), (630, 997938), (756, 831615), (810, 776174), (945, 665292), (1134, 554410), (1260, 498969), (1620, 388087), (1890, 332646), (2268, 277205), (2835, 221764), (3780, 166323), (5670, 110882), (11340, 55441)]