240812640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1879}}^1$

素因数の和:1989

約数の個数: 144

約数和(自身を含む): 831448800

約数和(自身を除く): 590636160

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, 89, 90, 96, 120, 144, 160, 178, 180, 240, 267, 288, 356, 360, 445, 480, 534, 712, 720, 801, 890, 1068, 1335, 1424, 1440, 1602, 1780, 1879, 2136, 2670, 2848, 3204, 3560, 3758, 4005, 4272, 5340, 5637, 6408, 7120, 7516, 8010, 8544, 9395, 10680, 11274, 12816, 14240, 15032, 16020, 16911, 18790, 21360, 22548, 25632, 28185, 30064, 32040, 33822, 37580, 42720, 45096, 56370, 60128, 64080, 67644, 75160, 84555, 90192, 112740, 128160, 135288, 150320, 167231, 169110, 180384, 225480, 270576, 300640, 334462, 338220, 450960, 501693, 541152, 668924, 676440, 836155, 901920, 1003386, 1337848, 1352880, 1505079, 1672310, 2006772, 2508465, 2675696, 2705760, 3010158, 3344620, 4013544, 5016930, 5351392, 6020316, 6689240, 7525395, 8027088, 10033860, 12040632, 13378480, 15050790, 16054176, 20067720, 24081264, 26756960, 30101580, 40135440, 48162528, 60203160, 80270880, 120406320, 240812640]

約数ペア:

[(1, 240812640), (2, 120406320), (3, 80270880), (4, 60203160), (5, 48162528), (6, 40135440), (8, 30101580), (9, 26756960), (10, 24081264), (12, 20067720), (15, 16054176), (16, 15050790), (18, 13378480), (20, 12040632), (24, 10033860), (30, 8027088), (32, 7525395), (36, 6689240), (40, 6020316), (45, 5351392), (48, 5016930), (60, 4013544), (72, 3344620), (80, 3010158), (89, 2705760), (90, 2675696), (96, 2508465), (120, 2006772), (144, 1672310), (160, 1505079), (178, 1352880), (180, 1337848), (240, 1003386), (267, 901920), (288, 836155), (356, 676440), (360, 668924), (445, 541152), (480, 501693), (534, 450960), (712, 338220), (720, 334462), (801, 300640), (890, 270576), (1068, 225480), (1335, 180384), (1424, 169110), (1440, 167231), (1602, 150320), (1780, 135288), (1879, 128160), (2136, 112740), (2670, 90192), (2848, 84555), (3204, 75160), (3560, 67644), (3758, 64080), (4005, 60128), (4272, 56370), (5340, 45096), (5637, 42720), (6408, 37580), (7120, 33822), (7516, 32040), (8010, 30064), (8544, 28185), (9395, 25632), (10680, 22548), (11274, 21360), (12816, 18790), (14240, 16911), (15032, 16020)]