71985720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{523}}^1$

素因数の和:605

約数の個数: 128

約数和(自身を含む): 229386240

約数和(自身を除く): 157400520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 37, 40, 60, 62, 74, 93, 111, 120, 124, 148, 155, 185, 186, 222, 248, 296, 310, 370, 372, 444, 465, 523, 555, 620, 740, 744, 888, 930, 1046, 1110, 1147, 1240, 1480, 1569, 1860, 2092, 2220, 2294, 2615, 3138, 3441, 3720, 4184, 4440, 4588, 5230, 5735, 6276, 6882, 7845, 9176, 10460, 11470, 12552, 13764, 15690, 16213, 17205, 19351, 20920, 22940, 27528, 31380, 32426, 34410, 38702, 45880, 48639, 58053, 62760, 64852, 68820, 77404, 81065, 96755, 97278, 116106, 129704, 137640, 154808, 162130, 193510, 194556, 232212, 243195, 290265, 324260, 387020, 389112, 464424, 486390, 580530, 599881, 648520, 774040, 972780, 1161060, 1199762, 1799643, 1945560, 2322120, 2399524, 2999405, 3599286, 4799048, 5998810, 7198572, 8998215, 11997620, 14397144, 17996430, 23995240, 35992860, 71985720]

約数ペア:

[(1, 71985720), (2, 35992860), (3, 23995240), (4, 17996430), (5, 14397144), (6, 11997620), (8, 8998215), (10, 7198572), (12, 5998810), (15, 4799048), (20, 3599286), (24, 2999405), (30, 2399524), (31, 2322120), (37, 1945560), (40, 1799643), (60, 1199762), (62, 1161060), (74, 972780), (93, 774040), (111, 648520), (120, 599881), (124, 580530), (148, 486390), (155, 464424), (185, 389112), (186, 387020), (222, 324260), (248, 290265), (296, 243195), (310, 232212), (370, 194556), (372, 193510), (444, 162130), (465, 154808), (523, 137640), (555, 129704), (620, 116106), (740, 97278), (744, 96755), (888, 81065), (930, 77404), (1046, 68820), (1110, 64852), (1147, 62760), (1240, 58053), (1480, 48639), (1569, 45880), (1860, 38702), (2092, 34410), (2220, 32426), (2294, 31380), (2615, 27528), (3138, 22940), (3441, 20920), (3720, 19351), (4184, 17205), (4440, 16213), (4588, 15690), (5230, 13764), (5735, 12552), (6276, 11470), (6882, 10460), (7845, 9176)]