321163080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20123}}^1$

素因数の和:20163

約数の個数: 128

約数和(自身を含む): 1159142400

約数和(自身を除く): 837979320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 380, 399, 420, 456, 532, 570, 665, 760, 798, 840, 1064, 1140, 1330, 1596, 1995, 2280, 2660, 3192, 3990, 5320, 7980, 15960, 20123, 40246, 60369, 80492, 100615, 120738, 140861, 160984, 201230, 241476, 281722, 301845, 382337, 402460, 422583, 482952, 563444, 603690, 704305, 764674, 804920, 845166, 1126888, 1147011, 1207380, 1408610, 1529348, 1690332, 1911685, 2112915, 2294022, 2414760, 2676359, 2817220, 3058696, 3380664, 3823370, 4225830, 4588044, 5352718, 5634440, 5735055, 7646740, 8029077, 8451660, 9176088, 10705436, 11470110, 13381795, 15293480, 16058154, 16903320, 21410872, 22940220, 26763590, 32116308, 40145385, 45880440, 53527180, 64232616, 80290770, 107054360, 160581540, 321163080]

約数ペア:

[(1, 321163080), (2, 160581540), (3, 107054360), (4, 80290770), (5, 64232616), (6, 53527180), (7, 45880440), (8, 40145385), (10, 32116308), (12, 26763590), (14, 22940220), (15, 21410872), (19, 16903320), (20, 16058154), (21, 15293480), (24, 13381795), (28, 11470110), (30, 10705436), (35, 9176088), (38, 8451660), (40, 8029077), (42, 7646740), (56, 5735055), (57, 5634440), (60, 5352718), (70, 4588044), (76, 4225830), (84, 3823370), (95, 3380664), (105, 3058696), (114, 2817220), (120, 2676359), (133, 2414760), (140, 2294022), (152, 2112915), (168, 1911685), (190, 1690332), (210, 1529348), (228, 1408610), (266, 1207380), (280, 1147011), (285, 1126888), (380, 845166), (399, 804920), (420, 764674), (456, 704305), (532, 603690), (570, 563444), (665, 482952), (760, 422583), (798, 402460), (840, 382337), (1064, 301845), (1140, 281722), (1330, 241476), (1596, 201230), (1995, 160984), (2280, 140861), (2660, 120738), (3192, 100615), (3990, 80492), (5320, 60369), (7980, 40246), (15960, 20123)]