1221550680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{30941}}^1$

素因数の和:31009

約数の個数: 128

約数和(自身を含む): 4277422080

約数和(自身を除く): 3055871400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 47, 56, 60, 70, 84, 94, 105, 120, 140, 141, 168, 188, 210, 235, 280, 282, 329, 376, 420, 470, 564, 658, 705, 840, 940, 987, 1128, 1316, 1410, 1645, 1880, 1974, 2632, 2820, 3290, 3948, 4935, 5640, 6580, 7896, 9870, 13160, 19740, 30941, 39480, 61882, 92823, 123764, 154705, 185646, 216587, 247528, 309410, 371292, 433174, 464115, 618820, 649761, 742584, 866348, 928230, 1082935, 1237640, 1299522, 1454227, 1732696, 1856460, 2165870, 2599044, 2908454, 3248805, 3712920, 4331740, 4362681, 5198088, 5816908, 6497610, 7271135, 8663480, 8725362, 10179589, 11633816, 12995220, 14542270, 17450724, 20359178, 21813405, 25990440, 29084540, 30538767, 34901448, 40718356, 43626810, 50897945, 58169080, 61077534, 81436712, 87253620, 101795890, 122155068, 152693835, 174507240, 203591780, 244310136, 305387670, 407183560, 610775340, 1221550680]

約数ペア:

[(1, 1221550680), (2, 610775340), (3, 407183560), (4, 305387670), (5, 244310136), (6, 203591780), (7, 174507240), (8, 152693835), (10, 122155068), (12, 101795890), (14, 87253620), (15, 81436712), (20, 61077534), (21, 58169080), (24, 50897945), (28, 43626810), (30, 40718356), (35, 34901448), (40, 30538767), (42, 29084540), (47, 25990440), (56, 21813405), (60, 20359178), (70, 17450724), (84, 14542270), (94, 12995220), (105, 11633816), (120, 10179589), (140, 8725362), (141, 8663480), (168, 7271135), (188, 6497610), (210, 5816908), (235, 5198088), (280, 4362681), (282, 4331740), (329, 3712920), (376, 3248805), (420, 2908454), (470, 2599044), (564, 2165870), (658, 1856460), (705, 1732696), (840, 1454227), (940, 1299522), (987, 1237640), (1128, 1082935), (1316, 928230), (1410, 866348), (1645, 742584), (1880, 649761), (1974, 618820), (2632, 464115), (2820, 433174), (3290, 371292), (3948, 309410), (4935, 247528), (5640, 216587), (6580, 185646), (7896, 154705), (9870, 123764), (13160, 92823), (19740, 61882), (30941, 39480)]