1997765880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{701}}^1$

素因数の和:870

約数の個数: 256

約数和(自身を含む): 6987202560

約数和(自身を除く): 4989436680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 17, 20, 22, 24, 30, 33, 34, 40, 44, 51, 55, 60, 66, 68, 85, 88, 102, 110, 120, 127, 132, 136, 165, 170, 187, 204, 220, 254, 255, 264, 330, 340, 374, 381, 408, 440, 508, 510, 561, 635, 660, 680, 701, 748, 762, 935, 1016, 1020, 1122, 1270, 1320, 1397, 1402, 1496, 1524, 1870, 1905, 2040, 2103, 2159, 2244, 2540, 2794, 2804, 2805, 3048, 3505, 3740, 3810, 4191, 4206, 4318, 4488, 5080, 5588, 5608, 5610, 6477, 6985, 7010, 7480, 7620, 7711, 8382, 8412, 8636, 10515, 10795, 11176, 11220, 11917, 12954, 13970, 14020, 15240, 15422, 16764, 16824, 17272, 20955, 21030, 21590, 22440, 23133, 23749, 23834, 25908, 27940, 28040, 30844, 32385, 33528, 35751, 38555, 41910, 42060, 43180, 46266, 47498, 47668, 51816, 55880, 59585, 61688, 64770, 71247, 71502, 77110, 83820, 84120, 86360, 89027, 92532, 94996, 95336, 115665, 118745, 119170, 129540, 131087, 142494, 143004, 154220, 167640, 178054, 178755, 185064, 189992, 231330, 237490, 238340, 259080, 262174, 267081, 284988, 286008, 308440, 356108, 356235, 357510, 393261, 445135, 462660, 474980, 476680, 524348, 534162, 569976, 655435, 712216, 712470, 715020, 786522, 890270, 925320, 949960, 979297, 1048696, 1068324, 1310870, 1335405, 1424940, 1430040, 1513459, 1573044, 1780540, 1958594, 1966305, 2136648, 2621740, 2670810, 2849880, 2937891, 3026918, 3146088, 3561080, 3917188, 3932610, 4540377, 4896485, 5243480, 5341620, 5875782, 6053836, 7567295, 7834376, 7865220, 9080754, 9792970, 10683240, 11751564, 12107672, 14689455, 15134590, 15730440, 16648049, 18161508, 19585940, 22701885, 23503128, 29378910, 30269180, 33296098, 36323016, 39171880, 45403770, 49944147, 58757820, 60538360, 66592196, 83240245, 90807540, 99888294, 117515640, 133184392, 166480490, 181615080, 199776588, 249720735, 332960980, 399553176, 499441470, 665921960, 998882940, 1997765880]

約数ペア:

[(1, 1997765880), (2, 998882940), (3, 665921960), (4, 499441470), (5, 399553176), (6, 332960980), (8, 249720735), (10, 199776588), (11, 181615080), (12, 166480490), (15, 133184392), (17, 117515640), (20, 99888294), (22, 90807540), (24, 83240245), (30, 66592196), (33, 60538360), (34, 58757820), (40, 49944147), (44, 45403770), (51, 39171880), (55, 36323016), (60, 33296098), (66, 30269180), (68, 29378910), (85, 23503128), (88, 22701885), (102, 19585940), (110, 18161508), (120, 16648049), (127, 15730440), (132, 15134590), (136, 14689455), (165, 12107672), (170, 11751564), (187, 10683240), (204, 9792970), (220, 9080754), (254, 7865220), (255, 7834376), (264, 7567295), (330, 6053836), (340, 5875782), (374, 5341620), (381, 5243480), (408, 4896485), (440, 4540377), (508, 3932610), (510, 3917188), (561, 3561080), (635, 3146088), (660, 3026918), (680, 2937891), (701, 2849880), (748, 2670810), (762, 2621740), (935, 2136648), (1016, 1966305), (1020, 1958594), (1122, 1780540), (1270, 1573044), (1320, 1513459), (1397, 1430040), (1402, 1424940), (1496, 1335405), (1524, 1310870), (1870, 1068324), (1905, 1048696), (2040, 979297), (2103, 949960), (2159, 925320), (2244, 890270), (2540, 786522), (2794, 715020), (2804, 712470), (2805, 712216), (3048, 655435), (3505, 569976), (3740, 534162), (3810, 524348), (4191, 476680), (4206, 474980), (4318, 462660), (4488, 445135), (5080, 393261), (5588, 357510), (5608, 356235), (5610, 356108), (6477, 308440), (6985, 286008), (7010, 284988), (7480, 267081), (7620, 262174), (7711, 259080), (8382, 238340), (8412, 237490), (8636, 231330), (10515, 189992), (10795, 185064), (11176, 178755), (11220, 178054), (11917, 167640), (12954, 154220), (13970, 143004), (14020, 142494), (15240, 131087), (15422, 129540), (16764, 119170), (16824, 118745), (17272, 115665), (20955, 95336), (21030, 94996), (21590, 92532), (22440, 89027), (23133, 86360), (23749, 84120), (23834, 83820), (25908, 77110), (27940, 71502), (28040, 71247), (30844, 64770), (32385, 61688), (33528, 59585), (35751, 55880), (38555, 51816), (41910, 47668), (42060, 47498), (43180, 46266)]