1686880860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{81967}}^1$

素因数の和:82000

約数の個数: 96

約数和(自身を含む): 5508249600

約数和(自身を除く): 3821368740

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 343, 420, 490, 588, 686, 735, 980, 1029, 1372, 1470, 1715, 2058, 2940, 3430, 4116, 5145, 6860, 10290, 20580, 81967, 163934, 245901, 327868, 409835, 491802, 573769, 819670, 983604, 1147538, 1229505, 1639340, 1721307, 2295076, 2459010, 2868845, 3442614, 4016383, 4918020, 5737690, 6885228, 8032766, 8606535, 11475380, 12049149, 16065532, 17213070, 20081915, 24098298, 28114681, 34426140, 40163830, 48196596, 56229362, 60245745, 80327660, 84344043, 112458724, 120491490, 140573405, 168688086, 240982980, 281146810, 337376172, 421720215, 562293620, 843440430, 1686880860]

約数ペア:

[(1, 1686880860), (2, 843440430), (3, 562293620), (4, 421720215), (5, 337376172), (6, 281146810), (7, 240982980), (10, 168688086), (12, 140573405), (14, 120491490), (15, 112458724), (20, 84344043), (21, 80327660), (28, 60245745), (30, 56229362), (35, 48196596), (42, 40163830), (49, 34426140), (60, 28114681), (70, 24098298), (84, 20081915), (98, 17213070), (105, 16065532), (140, 12049149), (147, 11475380), (196, 8606535), (210, 8032766), (245, 6885228), (294, 5737690), (343, 4918020), (420, 4016383), (490, 3442614), (588, 2868845), (686, 2459010), (735, 2295076), (980, 1721307), (1029, 1639340), (1372, 1229505), (1470, 1147538), (1715, 983604), (2058, 819670), (2940, 573769), (3430, 491802), (4116, 409835), (5145, 327868), (6860, 245901), (10290, 163934), (20580, 81967)]