138708780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19427}}^1$

素因数の和:19463

約数の個数: 96

約数和(自身を含む): 470002176

約数和(自身を除く): 331293396

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 102, 105, 119, 140, 170, 204, 210, 238, 255, 340, 357, 420, 476, 510, 595, 714, 1020, 1190, 1428, 1785, 2380, 3570, 7140, 19427, 38854, 58281, 77708, 97135, 116562, 135989, 194270, 233124, 271978, 291405, 330259, 388540, 407967, 543956, 582810, 660518, 679945, 815934, 990777, 1165620, 1321036, 1359890, 1631868, 1651295, 1981554, 2039835, 2311813, 2719780, 3302590, 3963108, 4079670, 4623626, 4953885, 6605180, 6935439, 8159340, 9247252, 9907770, 11559065, 13870878, 19815540, 23118130, 27741756, 34677195, 46236260, 69354390, 138708780]

約数ペア:

[(1, 138708780), (2, 69354390), (3, 46236260), (4, 34677195), (5, 27741756), (6, 23118130), (7, 19815540), (10, 13870878), (12, 11559065), (14, 9907770), (15, 9247252), (17, 8159340), (20, 6935439), (21, 6605180), (28, 4953885), (30, 4623626), (34, 4079670), (35, 3963108), (42, 3302590), (51, 2719780), (60, 2311813), (68, 2039835), (70, 1981554), (84, 1651295), (85, 1631868), (102, 1359890), (105, 1321036), (119, 1165620), (140, 990777), (170, 815934), (204, 679945), (210, 660518), (238, 582810), (255, 543956), (340, 407967), (357, 388540), (420, 330259), (476, 291405), (510, 271978), (595, 233124), (714, 194270), (1020, 135989), (1190, 116562), (1428, 97135), (1785, 77708), (2380, 58281), (3570, 38854), (7140, 19427)]