268455720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4651}}^1$

素因数の和:4715

約数の個数: 128

約数和(自身を含む): 890951040

約数和(自身を除く): 622495320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 37, 39, 40, 52, 60, 65, 74, 78, 104, 111, 120, 130, 148, 156, 185, 195, 222, 260, 296, 312, 370, 390, 444, 481, 520, 555, 740, 780, 888, 962, 1110, 1443, 1480, 1560, 1924, 2220, 2405, 2886, 3848, 4440, 4651, 4810, 5772, 7215, 9302, 9620, 11544, 13953, 14430, 18604, 19240, 23255, 27906, 28860, 37208, 46510, 55812, 57720, 60463, 69765, 93020, 111624, 120926, 139530, 172087, 181389, 186040, 241852, 279060, 302315, 344174, 362778, 483704, 516261, 558120, 604630, 688348, 725556, 860435, 906945, 1032522, 1209260, 1376696, 1451112, 1720870, 1813890, 2065044, 2237131, 2418520, 2581305, 3441740, 3627780, 4130088, 4474262, 5162610, 6711393, 6883480, 7255560, 8948524, 10325220, 11185655, 13422786, 17897048, 20650440, 22371310, 26845572, 33556965, 44742620, 53691144, 67113930, 89485240, 134227860, 268455720]

約数ペア:

[(1, 268455720), (2, 134227860), (3, 89485240), (4, 67113930), (5, 53691144), (6, 44742620), (8, 33556965), (10, 26845572), (12, 22371310), (13, 20650440), (15, 17897048), (20, 13422786), (24, 11185655), (26, 10325220), (30, 8948524), (37, 7255560), (39, 6883480), (40, 6711393), (52, 5162610), (60, 4474262), (65, 4130088), (74, 3627780), (78, 3441740), (104, 2581305), (111, 2418520), (120, 2237131), (130, 2065044), (148, 1813890), (156, 1720870), (185, 1451112), (195, 1376696), (222, 1209260), (260, 1032522), (296, 906945), (312, 860435), (370, 725556), (390, 688348), (444, 604630), (481, 558120), (520, 516261), (555, 483704), (740, 362778), (780, 344174), (888, 302315), (962, 279060), (1110, 241852), (1443, 186040), (1480, 181389), (1560, 172087), (1924, 139530), (2220, 120926), (2405, 111624), (2886, 93020), (3848, 69765), (4440, 60463), (4651, 57720), (4810, 55812), (5772, 46510), (7215, 37208), (9302, 28860), (9620, 27906), (11544, 23255), (13953, 19240), (14430, 18604)]