640565772

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:193

約数の個数: 288

約数和(自身を含む): 2059223040

約数和(自身を除く): 1418657268

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 19, 21, 22, 28, 31, 33, 38, 42, 44, 57, 62, 66, 76, 77, 84, 93, 107, 114, 121, 124, 132, 133, 154, 186, 209, 214, 217, 228, 231, 242, 266, 308, 321, 341, 363, 372, 399, 418, 428, 434, 462, 484, 532, 589, 627, 642, 651, 682, 726, 749, 798, 836, 847, 868, 924, 1023, 1177, 1178, 1254, 1284, 1302, 1364, 1452, 1463, 1498, 1596, 1694, 1767, 2033, 2046, 2247, 2299, 2354, 2356, 2387, 2508, 2541, 2604, 2926, 2996, 3317, 3388, 3531, 3534, 3751, 4066, 4092, 4123, 4389, 4494, 4598, 4708, 4774, 5082, 5852, 6099, 6479, 6634, 6897, 7062, 7068, 7161, 7502, 8132, 8239, 8246, 8778, 8988, 9196, 9548, 9951, 10164, 11253, 12198, 12369, 12947, 12958, 13268, 13794, 14124, 14231, 14322, 15004, 16093, 16478, 16492, 17556, 19437, 19902, 22363, 22506, 23219, 24396, 24717, 24738, 25894, 25916, 26257, 27588, 28462, 28644, 32186, 32956, 36487, 38841, 38874, 39804, 42693, 44726, 45012, 45353, 46438, 48279, 49434, 49476, 51788, 52514, 56924, 63023, 64372, 67089, 69657, 71269, 72974, 77682, 77748, 78771, 85386, 89452, 90629, 90706, 92876, 96558, 98868, 105028, 109461, 126046, 134178, 136059, 139314, 142538, 145948, 155364, 156541, 157542, 170772, 181258, 181412, 189069, 193116, 213807, 218922, 245993, 252092, 255409, 268356, 271887, 272118, 278628, 285076, 313082, 315084, 362516, 378138, 401357, 427614, 437844, 441161, 469623, 491986, 498883, 510818, 543774, 544236, 626164, 693253, 737979, 756276, 766227, 802714, 855228, 882322, 939246, 983972, 997766, 1021636, 1087548, 1204071, 1323483, 1386506, 1475958, 1496649, 1532454, 1605428, 1721951, 1764644, 1878492, 1995532, 2079759, 2408142, 2646966, 2773012, 2809499, 2951916, 2993298, 3064908, 3443902, 4159518, 4816284, 4852771, 5165853, 5293932, 5618998, 5986596, 6887804, 7625783, 8319036, 8428497, 9705542, 10331706, 11237996, 14558313, 15251566, 16856994, 19411084, 20663412, 22877349, 29116626, 30503132, 33713988, 45754698, 53380481, 58233252, 91509396, 106760962, 160141443, 213521924, 320282886, 640565772]

約数ペア:

[(1, 640565772), (2, 320282886), (3, 213521924), (4, 160141443), (6, 106760962), (7, 91509396), (11, 58233252), (12, 53380481), (14, 45754698), (19, 33713988), (21, 30503132), (22, 29116626), (28, 22877349), (31, 20663412), (33, 19411084), (38, 16856994), (42, 15251566), (44, 14558313), (57, 11237996), (62, 10331706), (66, 9705542), (76, 8428497), (77, 8319036), (84, 7625783), (93, 6887804), (107, 5986596), (114, 5618998), (121, 5293932), (124, 5165853), (132, 4852771), (133, 4816284), (154, 4159518), (186, 3443902), (209, 3064908), (214, 2993298), (217, 2951916), (228, 2809499), (231, 2773012), (242, 2646966), (266, 2408142), (308, 2079759), (321, 1995532), (341, 1878492), (363, 1764644), (372, 1721951), (399, 1605428), (418, 1532454), (428, 1496649), (434, 1475958), (462, 1386506), (484, 1323483), (532, 1204071), (589, 1087548), (627, 1021636), (642, 997766), (651, 983972), (682, 939246), (726, 882322), (749, 855228), (798, 802714), (836, 766227), (847, 756276), (868, 737979), (924, 693253), (1023, 626164), (1177, 544236), (1178, 543774), (1254, 510818), (1284, 498883), (1302, 491986), (1364, 469623), (1452, 441161), (1463, 437844), (1498, 427614), (1596, 401357), (1694, 378138), (1767, 362516), (2033, 315084), (2046, 313082), (2247, 285076), (2299, 278628), (2354, 272118), (2356, 271887), (2387, 268356), (2508, 255409), (2541, 252092), (2604, 245993), (2926, 218922), (2996, 213807), (3317, 193116), (3388, 189069), (3531, 181412), (3534, 181258), (3751, 170772), (4066, 157542), (4092, 156541), (4123, 155364), (4389, 145948), (4494, 142538), (4598, 139314), (4708, 136059), (4774, 134178), (5082, 126046), (5852, 109461), (6099, 105028), (6479, 98868), (6634, 96558), (6897, 92876), (7062, 90706), (7068, 90629), (7161, 89452), (7502, 85386), (8132, 78771), (8239, 77748), (8246, 77682), (8778, 72974), (8988, 71269), (9196, 69657), (9548, 67089), (9951, 64372), (10164, 63023), (11253, 56924), (12198, 52514), (12369, 51788), (12947, 49476), (12958, 49434), (13268, 48279), (13794, 46438), (14124, 45353), (14231, 45012), (14322, 44726), (15004, 42693), (16093, 39804), (16478, 38874), (16492, 38841), (17556, 36487), (19437, 32956), (19902, 32186), (22363, 28644), (22506, 28462), (23219, 27588), (24396, 26257), (24717, 25916), (24738, 25894)]