316906020

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{197}}^1\times {\mathrm{331}}^1$

素因数の和:552

約数の個数: 144

約数和(自身を含む): 1004971968

約数和(自身を除く): 688065948

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 197, 243, 270, 324, 331, 394, 405, 486, 540, 591, 662, 788, 810, 972, 985, 993, 1182, 1215, 1324, 1620, 1655, 1773, 1970, 1986, 2364, 2430, 2955, 2979, 3310, 3546, 3940, 3972, 4860, 4965, 5319, 5910, 5958, 6620, 7092, 8865, 8937, 9930, 10638, 11820, 11916, 14895, 15957, 17730, 17874, 19860, 21276, 26595, 26811, 29790, 31914, 35460, 35748, 44685, 47871, 53190, 53622, 59580, 63828, 65207, 79785, 80433, 89370, 95742, 106380, 107244, 130414, 134055, 159570, 160866, 178740, 191484, 195621, 239355, 260828, 268110, 319140, 321732, 326035, 391242, 402165, 478710, 536220, 586863, 652070, 782484, 804330, 957420, 978105, 1173726, 1304140, 1608660, 1760589, 1956210, 2347452, 2934315, 3521178, 3912420, 5281767, 5868630, 7042356, 8802945, 10563534, 11737260, 15845301, 17605890, 21127068, 26408835, 31690602, 35211780, 52817670, 63381204, 79226505, 105635340, 158453010, 316906020]

約数ペア:

[(1, 316906020), (2, 158453010), (3, 105635340), (4, 79226505), (5, 63381204), (6, 52817670), (9, 35211780), (10, 31690602), (12, 26408835), (15, 21127068), (18, 17605890), (20, 15845301), (27, 11737260), (30, 10563534), (36, 8802945), (45, 7042356), (54, 5868630), (60, 5281767), (81, 3912420), (90, 3521178), (108, 2934315), (135, 2347452), (162, 1956210), (180, 1760589), (197, 1608660), (243, 1304140), (270, 1173726), (324, 978105), (331, 957420), (394, 804330), (405, 782484), (486, 652070), (540, 586863), (591, 536220), (662, 478710), (788, 402165), (810, 391242), (972, 326035), (985, 321732), (993, 319140), (1182, 268110), (1215, 260828), (1324, 239355), (1620, 195621), (1655, 191484), (1773, 178740), (1970, 160866), (1986, 159570), (2364, 134055), (2430, 130414), (2955, 107244), (2979, 106380), (3310, 95742), (3546, 89370), (3940, 80433), (3972, 79785), (4860, 65207), (4965, 63828), (5319, 59580), (5910, 53622), (5958, 53190), (6620, 47871), (7092, 44685), (8865, 35748), (8937, 35460), (9930, 31914), (10638, 29790), (11820, 26811), (11916, 26595), (14895, 21276), (15957, 19860), (17730, 17874)]