649712880

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{313}}^1$

素因数の和:397

約数の個数: 240

約数和(自身を含む): 2319806880

約数和(自身を除く): 1670094000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 36, 40, 45, 48, 54, 60, 62, 72, 80, 90, 93, 108, 120, 124, 135, 144, 155, 180, 186, 216, 240, 248, 270, 279, 310, 313, 360, 372, 432, 465, 496, 540, 558, 620, 626, 720, 744, 837, 930, 939, 961, 1080, 1116, 1240, 1252, 1395, 1488, 1565, 1674, 1860, 1878, 1922, 2160, 2232, 2480, 2504, 2790, 2817, 2883, 3130, 3348, 3720, 3756, 3844, 4185, 4464, 4695, 4805, 5008, 5580, 5634, 5766, 6260, 6696, 7440, 7512, 7688, 8370, 8451, 8649, 9390, 9610, 9703, 11160, 11268, 11532, 12520, 13392, 14085, 14415, 15024, 15376, 16740, 16902, 17298, 18780, 19220, 19406, 22320, 22536, 23064, 25040, 25947, 28170, 28830, 29109, 33480, 33804, 34596, 37560, 38440, 38812, 42255, 43245, 45072, 46128, 48515, 51894, 56340, 57660, 58218, 66960, 67608, 69192, 75120, 76880, 77624, 84510, 86490, 87327, 97030, 103788, 112680, 115320, 116436, 129735, 135216, 138384, 145545, 155248, 169020, 172980, 174654, 194060, 207576, 225360, 230640, 232872, 259470, 261981, 291090, 300793, 338040, 345960, 349308, 388120, 415152, 436635, 465744, 518940, 523962, 582180, 601586, 676080, 691920, 698616, 776240, 873270, 902379, 1037880, 1047924, 1164360, 1203172, 1309905, 1397232, 1503965, 1746540, 1804758, 2075760, 2095848, 2328720, 2406344, 2619810, 2707137, 3007930, 3493080, 3609516, 4191696, 4511895, 4812688, 5239620, 5414274, 6015860, 6986160, 7219032, 8121411, 9023790, 10479240, 10828548, 12031720, 13535685, 14438064, 16242822, 18047580, 20958480, 21657096, 24063440, 27071370, 32485644, 36095160, 40607055, 43314192, 54142740, 64971288, 72190320, 81214110, 108285480, 129942576, 162428220, 216570960, 324856440, 649712880]

約数ペア:

[(1, 649712880), (2, 324856440), (3, 216570960), (4, 162428220), (5, 129942576), (6, 108285480), (8, 81214110), (9, 72190320), (10, 64971288), (12, 54142740), (15, 43314192), (16, 40607055), (18, 36095160), (20, 32485644), (24, 27071370), (27, 24063440), (30, 21657096), (31, 20958480), (36, 18047580), (40, 16242822), (45, 14438064), (48, 13535685), (54, 12031720), (60, 10828548), (62, 10479240), (72, 9023790), (80, 8121411), (90, 7219032), (93, 6986160), (108, 6015860), (120, 5414274), (124, 5239620), (135, 4812688), (144, 4511895), (155, 4191696), (180, 3609516), (186, 3493080), (216, 3007930), (240, 2707137), (248, 2619810), (270, 2406344), (279, 2328720), (310, 2095848), (313, 2075760), (360, 1804758), (372, 1746540), (432, 1503965), (465, 1397232), (496, 1309905), (540, 1203172), (558, 1164360), (620, 1047924), (626, 1037880), (720, 902379), (744, 873270), (837, 776240), (930, 698616), (939, 691920), (961, 676080), (1080, 601586), (1116, 582180), (1240, 523962), (1252, 518940), (1395, 465744), (1488, 436635), (1565, 415152), (1674, 388120), (1860, 349308), (1878, 345960), (1922, 338040), (2160, 300793), (2232, 291090), (2480, 261981), (2504, 259470), (2790, 232872), (2817, 230640), (2883, 225360), (3130, 207576), (3348, 194060), (3720, 174654), (3756, 172980), (3844, 169020), (4185, 155248), (4464, 145545), (4695, 138384), (4805, 135216), (5008, 129735), (5580, 116436), (5634, 115320), (5766, 112680), (6260, 103788), (6696, 97030), (7440, 87327), (7512, 86490), (7688, 84510), (8370, 77624), (8451, 76880), (8649, 75120), (9390, 69192), (9610, 67608), (9703, 66960), (11160, 58218), (11268, 57660), (11532, 56340), (12520, 51894), (13392, 48515), (14085, 46128), (14415, 45072), (15024, 43245), (15376, 42255), (16740, 38812), (16902, 38440), (17298, 37560), (18780, 34596), (19220, 33804), (19406, 33480), (22320, 29109), (22536, 28830), (23064, 28170), (25040, 25947)]