27781740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1297}}^1$

素因数の和:1336

約数の個数: 144

約数和(自身を含む): 102053952

約数和(自身を除く): 74272212

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 51, 60, 63, 68, 70, 84, 85, 90, 102, 105, 119, 126, 140, 153, 170, 180, 204, 210, 238, 252, 255, 306, 315, 340, 357, 420, 476, 510, 595, 612, 630, 714, 765, 1020, 1071, 1190, 1260, 1297, 1428, 1530, 1785, 2142, 2380, 2594, 3060, 3570, 3891, 4284, 5188, 5355, 6485, 7140, 7782, 9079, 10710, 11673, 12970, 15564, 18158, 19455, 21420, 22049, 23346, 25940, 27237, 36316, 38910, 44098, 45395, 46692, 54474, 58365, 66147, 77820, 81711, 88196, 90790, 108948, 110245, 116730, 132294, 136185, 154343, 163422, 181580, 198441, 220490, 233460, 264588, 272370, 308686, 326844, 330735, 396882, 408555, 440980, 463029, 544740, 617372, 661470, 771715, 793764, 817110, 926058, 992205, 1322940, 1389087, 1543430, 1634220, 1852116, 1984410, 2315145, 2778174, 3086860, 3968820, 4630290, 5556348, 6945435, 9260580, 13890870, 27781740]

約数ペア:

[(1, 27781740), (2, 13890870), (3, 9260580), (4, 6945435), (5, 5556348), (6, 4630290), (7, 3968820), (9, 3086860), (10, 2778174), (12, 2315145), (14, 1984410), (15, 1852116), (17, 1634220), (18, 1543430), (20, 1389087), (21, 1322940), (28, 992205), (30, 926058), (34, 817110), (35, 793764), (36, 771715), (42, 661470), (45, 617372), (51, 544740), (60, 463029), (63, 440980), (68, 408555), (70, 396882), (84, 330735), (85, 326844), (90, 308686), (102, 272370), (105, 264588), (119, 233460), (126, 220490), (140, 198441), (153, 181580), (170, 163422), (180, 154343), (204, 136185), (210, 132294), (238, 116730), (252, 110245), (255, 108948), (306, 90790), (315, 88196), (340, 81711), (357, 77820), (420, 66147), (476, 58365), (510, 54474), (595, 46692), (612, 45395), (630, 44098), (714, 38910), (765, 36316), (1020, 27237), (1071, 25940), (1190, 23346), (1260, 22049), (1297, 21420), (1428, 19455), (1530, 18158), (1785, 15564), (2142, 12970), (2380, 11673), (2594, 10710), (3060, 9079), (3570, 7782), (3891, 7140), (4284, 6485), (5188, 5355)]