281688720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{179}}^1$

素因数の和:357

約数の個数: 160

約数和(自身を含む): 899942400

約数和(自身を除く): 618253680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 79, 80, 83, 120, 158, 166, 179, 237, 240, 249, 316, 332, 358, 395, 415, 474, 498, 537, 632, 664, 716, 790, 830, 895, 948, 996, 1074, 1185, 1245, 1264, 1328, 1432, 1580, 1660, 1790, 1896, 1992, 2148, 2370, 2490, 2685, 2864, 3160, 3320, 3580, 3792, 3984, 4296, 4740, 4980, 5370, 6320, 6557, 6640, 7160, 8592, 9480, 9960, 10740, 13114, 14141, 14320, 14857, 18960, 19671, 19920, 21480, 26228, 28282, 29714, 32785, 39342, 42423, 42960, 44571, 52456, 56564, 59428, 65570, 70705, 74285, 78684, 84846, 89142, 98355, 104912, 113128, 118856, 131140, 141410, 148570, 157368, 169692, 178284, 196710, 212115, 222855, 226256, 237712, 262280, 282820, 297140, 314736, 339384, 356568, 393420, 424230, 445710, 524560, 565640, 594280, 678768, 713136, 786840, 848460, 891420, 1131280, 1173703, 1188560, 1573680, 1696920, 1782840, 2347406, 3393840, 3521109, 3565680, 4694812, 5868515, 7042218, 9389624, 11737030, 14084436, 17605545, 18779248, 23474060, 28168872, 35211090, 46948120, 56337744, 70422180, 93896240, 140844360, 281688720]

約数ペア:

[(1, 281688720), (2, 140844360), (3, 93896240), (4, 70422180), (5, 56337744), (6, 46948120), (8, 35211090), (10, 28168872), (12, 23474060), (15, 18779248), (16, 17605545), (20, 14084436), (24, 11737030), (30, 9389624), (40, 7042218), (48, 5868515), (60, 4694812), (79, 3565680), (80, 3521109), (83, 3393840), (120, 2347406), (158, 1782840), (166, 1696920), (179, 1573680), (237, 1188560), (240, 1173703), (249, 1131280), (316, 891420), (332, 848460), (358, 786840), (395, 713136), (415, 678768), (474, 594280), (498, 565640), (537, 524560), (632, 445710), (664, 424230), (716, 393420), (790, 356568), (830, 339384), (895, 314736), (948, 297140), (996, 282820), (1074, 262280), (1185, 237712), (1245, 226256), (1264, 222855), (1328, 212115), (1432, 196710), (1580, 178284), (1660, 169692), (1790, 157368), (1896, 148570), (1992, 141410), (2148, 131140), (2370, 118856), (2490, 113128), (2685, 104912), (2864, 98355), (3160, 89142), (3320, 84846), (3580, 78684), (3792, 74285), (3984, 70705), (4296, 65570), (4740, 59428), (4980, 56564), (5370, 52456), (6320, 44571), (6557, 42960), (6640, 42423), (7160, 39342), (8592, 32785), (9480, 29714), (9960, 28282), (10740, 26228), (13114, 21480), (14141, 19920), (14320, 19671), (14857, 18960)]