8205121540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{571}}^1$

素因数の和:679

約数の個数: 288

約数和(自身を含む): 23136841728

約数和(自身を除く): 14931720188

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 31, 35, 43, 44, 49, 55, 62, 70, 77, 86, 98, 110, 124, 140, 154, 155, 172, 196, 215, 217, 220, 245, 301, 308, 310, 341, 385, 430, 434, 473, 490, 539, 571, 602, 620, 682, 770, 860, 868, 946, 980, 1078, 1085, 1142, 1204, 1333, 1364, 1505, 1519, 1540, 1705, 1892, 2107, 2156, 2170, 2284, 2365, 2387, 2666, 2695, 2855, 3010, 3038, 3311, 3410, 3997, 4214, 4340, 4730, 4774, 5332, 5390, 5710, 6020, 6076, 6281, 6622, 6665, 6820, 7595, 7994, 8428, 9331, 9460, 9548, 10535, 10780, 11420, 11935, 12562, 13244, 13330, 14663, 15190, 15988, 16555, 16709, 17701, 18662, 19985, 21070, 23177, 23870, 24553, 25124, 26660, 27979, 29326, 30380, 31405, 33110, 33418, 35402, 37324, 39970, 42140, 43967, 46354, 46655, 47740, 49106, 55958, 58652, 62810, 65317, 66220, 66836, 70804, 73315, 79940, 83545, 87934, 88505, 92708, 93310, 98212, 102641, 111916, 115885, 122765, 123907, 125620, 130634, 139895, 146630, 167090, 171871, 175868, 177010, 186620, 194711, 205282, 219835, 231770, 245530, 247814, 261268, 270083, 279790, 293260, 307769, 326585, 334180, 343742, 354020, 389422, 410564, 439670, 463540, 491060, 495628, 513205, 540166, 559580, 615538, 619535, 653170, 687484, 718487, 761143, 778844, 859355, 867349, 879340, 973555, 1026410, 1080332, 1203097, 1231076, 1239070, 1306340, 1350415, 1362977, 1436974, 1522286, 1538845, 1718710, 1734698, 1890581, 1947110, 2052820, 2406194, 2478140, 2700830, 2725954, 2873948, 3044572, 3077690, 3437420, 3469396, 3592435, 3781162, 3805715, 3894220, 4336745, 4812388, 5328001, 5401660, 5451908, 6015485, 6155380, 6814885, 7184870, 7562324, 7611430, 8372573, 8673490, 9452905, 9540839, 10656002, 12030970, 13234067, 13629770, 14369740, 15222860, 16745146, 17346980, 18905810, 19081678, 21312004, 24061940, 26468134, 26640005, 27259540, 33490292, 37296007, 37811620, 38163356, 41862865, 47704195, 52936268, 53280010, 58608011, 66170335, 74592014, 83725730, 95408390, 106560020, 117216022, 132340670, 149184028, 167451460, 186480035, 190816780, 234432044, 264681340, 293040055, 372960070, 410256077, 586080110, 745920140, 820512154, 1172160220, 1641024308, 2051280385, 4102560770, 8205121540]

約数ペア:

[(1, 8205121540), (2, 4102560770), (4, 2051280385), (5, 1641024308), (7, 1172160220), (10, 820512154), (11, 745920140), (14, 586080110), (20, 410256077), (22, 372960070), (28, 293040055), (31, 264681340), (35, 234432044), (43, 190816780), (44, 186480035), (49, 167451460), (55, 149184028), (62, 132340670), (70, 117216022), (77, 106560020), (86, 95408390), (98, 83725730), (110, 74592014), (124, 66170335), (140, 58608011), (154, 53280010), (155, 52936268), (172, 47704195), (196, 41862865), (215, 38163356), (217, 37811620), (220, 37296007), (245, 33490292), (301, 27259540), (308, 26640005), (310, 26468134), (341, 24061940), (385, 21312004), (430, 19081678), (434, 18905810), (473, 17346980), (490, 16745146), (539, 15222860), (571, 14369740), (602, 13629770), (620, 13234067), (682, 12030970), (770, 10656002), (860, 9540839), (868, 9452905), (946, 8673490), (980, 8372573), (1078, 7611430), (1085, 7562324), (1142, 7184870), (1204, 6814885), (1333, 6155380), (1364, 6015485), (1505, 5451908), (1519, 5401660), (1540, 5328001), (1705, 4812388), (1892, 4336745), (2107, 3894220), (2156, 3805715), (2170, 3781162), (2284, 3592435), (2365, 3469396), (2387, 3437420), (2666, 3077690), (2695, 3044572), (2855, 2873948), (3010, 2725954), (3038, 2700830), (3311, 2478140), (3410, 2406194), (3997, 2052820), (4214, 1947110), (4340, 1890581), (4730, 1734698), (4774, 1718710), (5332, 1538845), (5390, 1522286), (5710, 1436974), (6020, 1362977), (6076, 1350415), (6281, 1306340), (6622, 1239070), (6665, 1231076), (6820, 1203097), (7595, 1080332), (7994, 1026410), (8428, 973555), (9331, 879340), (9460, 867349), (9548, 859355), (10535, 778844), (10780, 761143), (11420, 718487), (11935, 687484), (12562, 653170), (13244, 619535), (13330, 615538), (14663, 559580), (15190, 540166), (15988, 513205), (16555, 495628), (16709, 491060), (17701, 463540), (18662, 439670), (19985, 410564), (21070, 389422), (23177, 354020), (23870, 343742), (24553, 334180), (25124, 326585), (26660, 307769), (27979, 293260), (29326, 279790), (30380, 270083), (31405, 261268), (33110, 247814), (33418, 245530), (35402, 231770), (37324, 219835), (39970, 205282), (42140, 194711), (43967, 186620), (46354, 177010), (46655, 175868), (47740, 171871), (49106, 167090), (55958, 146630), (58652, 139895), (62810, 130634), (65317, 125620), (66220, 123907), (66836, 122765), (70804, 115885), (73315, 111916), (79940, 102641), (83545, 98212), (87934, 93310), (88505, 92708)]