240668640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1723}}^1$

素因数の和:1841

約数の個数: 144

約数和(自身を含む): 830230128

約数和(自身を除く): 589561488

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 97, 120, 144, 160, 180, 194, 240, 288, 291, 360, 388, 480, 485, 582, 720, 776, 873, 970, 1164, 1440, 1455, 1552, 1723, 1746, 1940, 2328, 2910, 3104, 3446, 3492, 3880, 4365, 4656, 5169, 5820, 6892, 6984, 7760, 8615, 8730, 9312, 10338, 11640, 13784, 13968, 15507, 15520, 17230, 17460, 20676, 23280, 25845, 27568, 27936, 31014, 34460, 34920, 41352, 46560, 51690, 55136, 62028, 68920, 69840, 77535, 82704, 103380, 124056, 137840, 139680, 155070, 165408, 167131, 206760, 248112, 275680, 310140, 334262, 413520, 496224, 501393, 620280, 668524, 827040, 835655, 1002786, 1240560, 1337048, 1504179, 1671310, 2005572, 2481120, 2506965, 2674096, 3008358, 3342620, 4011144, 5013930, 5348192, 6016716, 6685240, 7520895, 8022288, 10027860, 12033432, 13370480, 15041790, 16044576, 20055720, 24066864, 26740960, 30083580, 40111440, 48133728, 60167160, 80222880, 120334320, 240668640]

約数ペア:

[(1, 240668640), (2, 120334320), (3, 80222880), (4, 60167160), (5, 48133728), (6, 40111440), (8, 30083580), (9, 26740960), (10, 24066864), (12, 20055720), (15, 16044576), (16, 15041790), (18, 13370480), (20, 12033432), (24, 10027860), (30, 8022288), (32, 7520895), (36, 6685240), (40, 6016716), (45, 5348192), (48, 5013930), (60, 4011144), (72, 3342620), (80, 3008358), (90, 2674096), (96, 2506965), (97, 2481120), (120, 2005572), (144, 1671310), (160, 1504179), (180, 1337048), (194, 1240560), (240, 1002786), (288, 835655), (291, 827040), (360, 668524), (388, 620280), (480, 501393), (485, 496224), (582, 413520), (720, 334262), (776, 310140), (873, 275680), (970, 248112), (1164, 206760), (1440, 167131), (1455, 165408), (1552, 155070), (1723, 139680), (1746, 137840), (1940, 124056), (2328, 103380), (2910, 82704), (3104, 77535), (3446, 69840), (3492, 68920), (3880, 62028), (4365, 55136), (4656, 51690), (5169, 46560), (5820, 41352), (6892, 34920), (6984, 34460), (7760, 31014), (8615, 27936), (8730, 27568), (9312, 25845), (10338, 23280), (11640, 20676), (13784, 17460), (13968, 17230), (15507, 15520)]