1877820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1$

素因数の和:299

約数の個数: 96

約数和(自身を含む): 6386688

約数和(自身を除く): 4508868

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, 263, 340, 357, 420, 476, 510, 526, 595, 714, 789, 1020, 1052, 1190, 1315, 1428, 1578, 1785, 1841, 2380, 2630, 3156, 3570, 3682, 3945, 4471, 5260, 5523, 7140, 7364, 7890, 8942, 9205, 11046, 13413, 15780, 17884, 18410, 22092, 22355, 26826, 27615, 31297, 36820, 44710, 53652, 55230, 62594, 67065, 89420, 93891, 110460, 125188, 134130, 156485, 187782, 268260, 312970, 375564, 469455, 625940, 938910, 1877820]

約数ペア:

[(1, 1877820), (2, 938910), (3, 625940), (4, 469455), (5, 375564), (6, 312970), (7, 268260), (10, 187782), (12, 156485), (14, 134130), (15, 125188), (17, 110460), (20, 93891), (21, 89420), (28, 67065), (30, 62594), (34, 55230), (35, 53652), (42, 44710), (51, 36820), (60, 31297), (68, 27615), (70, 26826), (84, 22355), (85, 22092), (102, 18410), (105, 17884), (119, 15780), (140, 13413), (170, 11046), (204, 9205), (210, 8942), (238, 7890), (255, 7364), (263, 7140), (340, 5523), (357, 5260), (420, 4471), (476, 3945), (510, 3682), (526, 3570), (595, 3156), (714, 2630), (789, 2380), (1020, 1841), (1052, 1785), (1190, 1578), (1315, 1428)]