251028120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{17579}}^1$

素因数の和:17617

約数の個数: 128

約数和(自身を含む): 911347200

約数和(自身を除く): 660319080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 51, 56, 60, 68, 70, 84, 85, 102, 105, 119, 120, 136, 140, 168, 170, 204, 210, 238, 255, 280, 340, 357, 408, 420, 476, 510, 595, 680, 714, 840, 952, 1020, 1190, 1428, 1785, 2040, 2380, 2856, 3570, 4760, 7140, 14280, 17579, 35158, 52737, 70316, 87895, 105474, 123053, 140632, 175790, 210948, 246106, 263685, 298843, 351580, 369159, 421896, 492212, 527370, 597686, 615265, 703160, 738318, 896529, 984424, 1054740, 1195372, 1230530, 1476636, 1494215, 1793058, 1845795, 2091901, 2109480, 2390744, 2461060, 2953272, 2988430, 3586116, 3691590, 4183802, 4482645, 4922120, 5976860, 6275703, 7172232, 7383180, 8367604, 8965290, 10459505, 11953720, 12551406, 14766360, 16735208, 17930580, 20919010, 25102812, 31378515, 35861160, 41838020, 50205624, 62757030, 83676040, 125514060, 251028120]

約数ペア:

[(1, 251028120), (2, 125514060), (3, 83676040), (4, 62757030), (5, 50205624), (6, 41838020), (7, 35861160), (8, 31378515), (10, 25102812), (12, 20919010), (14, 17930580), (15, 16735208), (17, 14766360), (20, 12551406), (21, 11953720), (24, 10459505), (28, 8965290), (30, 8367604), (34, 7383180), (35, 7172232), (40, 6275703), (42, 5976860), (51, 4922120), (56, 4482645), (60, 4183802), (68, 3691590), (70, 3586116), (84, 2988430), (85, 2953272), (102, 2461060), (105, 2390744), (119, 2109480), (120, 2091901), (136, 1845795), (140, 1793058), (168, 1494215), (170, 1476636), (204, 1230530), (210, 1195372), (238, 1054740), (255, 984424), (280, 896529), (340, 738318), (357, 703160), (408, 615265), (420, 597686), (476, 527370), (510, 492212), (595, 421896), (680, 369159), (714, 351580), (840, 298843), (952, 263685), (1020, 246106), (1190, 210948), (1428, 175790), (1785, 140632), (2040, 123053), (2380, 105474), (2856, 87895), (3570, 70316), (4760, 52737), (7140, 35158), (14280, 17579)]