80247720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1151}}^1$

素因数の和:1255

約数の個数: 128

約数和(自身を含む): 278691840

約数和(自身を除く): 198444120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 83, 84, 105, 120, 140, 166, 168, 210, 249, 280, 332, 415, 420, 498, 581, 664, 830, 840, 996, 1151, 1162, 1245, 1660, 1743, 1992, 2302, 2324, 2490, 2905, 3320, 3453, 3486, 4604, 4648, 4980, 5755, 5810, 6906, 6972, 8057, 8715, 9208, 9960, 11510, 11620, 13812, 13944, 16114, 17265, 17430, 23020, 23240, 24171, 27624, 32228, 34530, 34860, 40285, 46040, 48342, 64456, 69060, 69720, 80570, 95533, 96684, 120855, 138120, 161140, 191066, 193368, 241710, 286599, 322280, 382132, 477665, 483420, 573198, 668731, 764264, 955330, 966840, 1146396, 1337462, 1432995, 1910660, 2006193, 2292792, 2674924, 2865990, 3343655, 3821320, 4012386, 5349848, 5731980, 6687310, 8024772, 10030965, 11463960, 13374620, 16049544, 20061930, 26749240, 40123860, 80247720]

約数ペア:

[(1, 80247720), (2, 40123860), (3, 26749240), (4, 20061930), (5, 16049544), (6, 13374620), (7, 11463960), (8, 10030965), (10, 8024772), (12, 6687310), (14, 5731980), (15, 5349848), (20, 4012386), (21, 3821320), (24, 3343655), (28, 2865990), (30, 2674924), (35, 2292792), (40, 2006193), (42, 1910660), (56, 1432995), (60, 1337462), (70, 1146396), (83, 966840), (84, 955330), (105, 764264), (120, 668731), (140, 573198), (166, 483420), (168, 477665), (210, 382132), (249, 322280), (280, 286599), (332, 241710), (415, 193368), (420, 191066), (498, 161140), (581, 138120), (664, 120855), (830, 96684), (840, 95533), (996, 80570), (1151, 69720), (1162, 69060), (1245, 64456), (1660, 48342), (1743, 46040), (1992, 40285), (2302, 34860), (2324, 34530), (2490, 32228), (2905, 27624), (3320, 24171), (3453, 23240), (3486, 23020), (4604, 17430), (4648, 17265), (4980, 16114), (5755, 13944), (5810, 13812), (6906, 11620), (6972, 11510), (8057, 9960), (8715, 9208)]