31437720

素因数分解:

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

素因数の和:367

約数の個数: 160

約数和(自身を含む): 109422720

約数和(自身を除く): 77985000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 45, 54, 60, 62, 72, 81, 90, 93, 108, 120, 124, 135, 155, 162, 180, 186, 216, 248, 270, 279, 310, 313, 324, 360, 372, 405, 465, 540, 558, 620, 626, 648, 744, 810, 837, 930, 939, 1080, 1116, 1240, 1252, 1395, 1565, 1620, 1674, 1860, 1878, 2232, 2504, 2511, 2790, 2817, 3130, 3240, 3348, 3720, 3756, 4185, 4695, 5022, 5580, 5634, 6260, 6696, 7512, 8370, 8451, 9390, 9703, 10044, 11160, 11268, 12520, 12555, 14085, 16740, 16902, 18780, 19406, 20088, 22536, 25110, 25353, 28170, 29109, 33480, 33804, 37560, 38812, 42255, 48515, 50220, 50706, 56340, 58218, 67608, 77624, 84510, 87327, 97030, 100440, 101412, 112680, 116436, 126765, 145545, 169020, 174654, 194060, 202824, 232872, 253530, 261981, 291090, 338040, 349308, 388120, 436635, 507060, 523962, 582180, 698616, 785943, 873270, 1014120, 1047924, 1164360, 1309905, 1571886, 1746540, 2095848, 2619810, 3143772, 3493080, 3929715, 5239620, 6287544, 7859430, 10479240, 15718860, 31437720]

約数ペア:

[(1, 31437720), (2, 15718860), (3, 10479240), (4, 7859430), (5, 6287544), (6, 5239620), (8, 3929715), (9, 3493080), (10, 3143772), (12, 2619810), (15, 2095848), (18, 1746540), (20, 1571886), (24, 1309905), (27, 1164360), (30, 1047924), (31, 1014120), (36, 873270), (40, 785943), (45, 698616), (54, 582180), (60, 523962), (62, 507060), (72, 436635), (81, 388120), (90, 349308), (93, 338040), (108, 291090), (120, 261981), (124, 253530), (135, 232872), (155, 202824), (162, 194060), (180, 174654), (186, 169020), (216, 145545), (248, 126765), (270, 116436), (279, 112680), (310, 101412), (313, 100440), (324, 97030), (360, 87327), (372, 84510), (405, 77624), (465, 67608), (540, 58218), (558, 56340), (620, 50706), (626, 50220), (648, 48515), (744, 42255), (810, 38812), (837, 37560), (930, 33804), (939, 33480), (1080, 29109), (1116, 28170), (1240, 25353), (1252, 25110), (1395, 22536), (1565, 20088), (1620, 19406), (1674, 18780), (1860, 16902), (1878, 16740), (2232, 14085), (2504, 12555), (2511, 12520), (2790, 11268), (2817, 11160), (3130, 10044), (3240, 9703), (3348, 9390), (3720, 8451), (3756, 8370), (4185, 7512), (4695, 6696), (5022, 6260), (5580, 5634)]