211266540

素因数分解:

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

素因数の和:356

約数の個数: 144

約数和(自身を含む): 660441600

約数和(自身を除く): 449175060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 83, 90, 158, 166, 179, 180, 237, 249, 316, 332, 358, 395, 415, 474, 498, 537, 711, 716, 747, 790, 830, 895, 948, 996, 1074, 1185, 1245, 1422, 1494, 1580, 1611, 1660, 1790, 2148, 2370, 2490, 2685, 2844, 2988, 3222, 3555, 3580, 3735, 4740, 4980, 5370, 6444, 6557, 7110, 7470, 8055, 10740, 13114, 14141, 14220, 14857, 14940, 16110, 19671, 26228, 28282, 29714, 32220, 32785, 39342, 42423, 44571, 56564, 59013, 59428, 65570, 70705, 74285, 78684, 84846, 89142, 98355, 118026, 127269, 131140, 133713, 141410, 148570, 169692, 178284, 196710, 212115, 222855, 236052, 254538, 267426, 282820, 295065, 297140, 393420, 424230, 445710, 509076, 534852, 590130, 636345, 668565, 848460, 891420, 1173703, 1180260, 1272690, 1337130, 2347406, 2545380, 2674260, 3521109, 4694812, 5868515, 7042218, 10563327, 11737030, 14084436, 17605545, 21126654, 23474060, 35211090, 42253308, 52816635, 70422180, 105633270, 211266540]

約数ペア:

[(1, 211266540), (2, 105633270), (3, 70422180), (4, 52816635), (5, 42253308), (6, 35211090), (9, 23474060), (10, 21126654), (12, 17605545), (15, 14084436), (18, 11737030), (20, 10563327), (30, 7042218), (36, 5868515), (45, 4694812), (60, 3521109), (79, 2674260), (83, 2545380), (90, 2347406), (158, 1337130), (166, 1272690), (179, 1180260), (180, 1173703), (237, 891420), (249, 848460), (316, 668565), (332, 636345), (358, 590130), (395, 534852), (415, 509076), (474, 445710), (498, 424230), (537, 393420), (711, 297140), (716, 295065), (747, 282820), (790, 267426), (830, 254538), (895, 236052), (948, 222855), (996, 212115), (1074, 196710), (1185, 178284), (1245, 169692), (1422, 148570), (1494, 141410), (1580, 133713), (1611, 131140), (1660, 127269), (1790, 118026), (2148, 98355), (2370, 89142), (2490, 84846), (2685, 78684), (2844, 74285), (2988, 70705), (3222, 65570), (3555, 59428), (3580, 59013), (3735, 56564), (4740, 44571), (4980, 42423), (5370, 39342), (6444, 32785), (6557, 32220), (7110, 29714), (7470, 28282), (8055, 26228), (10740, 19671), (13114, 16110), (14141, 14940), (14220, 14857)]