42154840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{313}}^1$

素因数の和:381

約数の個数: 128

約数和(自身を含む): 120274560

約数和(自身を除く): 78119720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 37, 40, 52, 56, 65, 70, 74, 91, 104, 130, 140, 148, 182, 185, 259, 260, 280, 296, 313, 364, 370, 455, 481, 518, 520, 626, 728, 740, 910, 962, 1036, 1252, 1295, 1480, 1565, 1820, 1924, 2072, 2191, 2405, 2504, 2590, 3130, 3367, 3640, 3848, 4069, 4382, 4810, 5180, 6260, 6734, 8138, 8764, 9620, 10360, 10955, 11581, 12520, 13468, 16276, 16835, 17528, 19240, 20345, 21910, 23162, 26936, 28483, 32552, 33670, 40690, 43820, 46324, 56966, 57905, 67340, 81067, 81380, 87640, 92648, 113932, 115810, 134680, 142415, 150553, 162134, 162760, 227864, 231620, 284830, 301106, 324268, 405335, 463240, 569660, 602212, 648536, 752765, 810670, 1053871, 1139320, 1204424, 1505530, 1621340, 2107742, 3011060, 3242680, 4215484, 5269355, 6022120, 8430968, 10538710, 21077420, 42154840]

約数ペア:

[(1, 42154840), (2, 21077420), (4, 10538710), (5, 8430968), (7, 6022120), (8, 5269355), (10, 4215484), (13, 3242680), (14, 3011060), (20, 2107742), (26, 1621340), (28, 1505530), (35, 1204424), (37, 1139320), (40, 1053871), (52, 810670), (56, 752765), (65, 648536), (70, 602212), (74, 569660), (91, 463240), (104, 405335), (130, 324268), (140, 301106), (148, 284830), (182, 231620), (185, 227864), (259, 162760), (260, 162134), (280, 150553), (296, 142415), (313, 134680), (364, 115810), (370, 113932), (455, 92648), (481, 87640), (518, 81380), (520, 81067), (626, 67340), (728, 57905), (740, 56966), (910, 46324), (962, 43820), (1036, 40690), (1252, 33670), (1295, 32552), (1480, 28483), (1565, 26936), (1820, 23162), (1924, 21910), (2072, 20345), (2191, 19240), (2405, 17528), (2504, 16835), (2590, 16276), (3130, 13468), (3367, 12520), (3640, 11581), (3848, 10955), (4069, 10360), (4382, 9620), (4810, 8764), (5180, 8138), (6260, 6734)]