240180720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3347}}^1$

素因数の和:3399

約数の個数: 160

約数和(自身を含む): 836946432

約数和(自身を除く): 596765712

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 23, 24, 26, 30, 39, 40, 46, 48, 52, 60, 65, 69, 78, 80, 92, 104, 115, 120, 130, 138, 156, 184, 195, 208, 230, 240, 260, 276, 299, 312, 345, 368, 390, 460, 520, 552, 598, 624, 690, 780, 897, 920, 1040, 1104, 1196, 1380, 1495, 1560, 1794, 1840, 2392, 2760, 2990, 3120, 3347, 3588, 4485, 4784, 5520, 5980, 6694, 7176, 8970, 10041, 11960, 13388, 14352, 16735, 17940, 20082, 23920, 26776, 33470, 35880, 40164, 43511, 50205, 53552, 66940, 71760, 76981, 80328, 87022, 100410, 130533, 133880, 153962, 160656, 174044, 200820, 217555, 230943, 261066, 267760, 307924, 348088, 384905, 401640, 435110, 461886, 522132, 615848, 652665, 696176, 769810, 803280, 870220, 923772, 1000753, 1044264, 1154715, 1231696, 1305330, 1539620, 1740440, 1847544, 2001506, 2088528, 2309430, 2610660, 3002259, 3079240, 3480880, 3695088, 4003012, 4618860, 5003765, 5221320, 6004518, 6158480, 8006024, 9237720, 10007530, 10442640, 12009036, 15011295, 16012048, 18475440, 20015060, 24018072, 30022590, 40030120, 48036144, 60045180, 80060240, 120090360, 240180720]

約数ペア:

[(1, 240180720), (2, 120090360), (3, 80060240), (4, 60045180), (5, 48036144), (6, 40030120), (8, 30022590), (10, 24018072), (12, 20015060), (13, 18475440), (15, 16012048), (16, 15011295), (20, 12009036), (23, 10442640), (24, 10007530), (26, 9237720), (30, 8006024), (39, 6158480), (40, 6004518), (46, 5221320), (48, 5003765), (52, 4618860), (60, 4003012), (65, 3695088), (69, 3480880), (78, 3079240), (80, 3002259), (92, 2610660), (104, 2309430), (115, 2088528), (120, 2001506), (130, 1847544), (138, 1740440), (156, 1539620), (184, 1305330), (195, 1231696), (208, 1154715), (230, 1044264), (240, 1000753), (260, 923772), (276, 870220), (299, 803280), (312, 769810), (345, 696176), (368, 652665), (390, 615848), (460, 522132), (520, 461886), (552, 435110), (598, 401640), (624, 384905), (690, 348088), (780, 307924), (897, 267760), (920, 261066), (1040, 230943), (1104, 217555), (1196, 200820), (1380, 174044), (1495, 160656), (1560, 153962), (1794, 133880), (1840, 130533), (2392, 100410), (2760, 87022), (2990, 80328), (3120, 76981), (3347, 71760), (3588, 66940), (4485, 53552), (4784, 50205), (5520, 43511), (5980, 40164), (6694, 35880), (7176, 33470), (8970, 26776), (10041, 23920), (11960, 20082), (13388, 17940), (14352, 16735)]