26420520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{443}}^1$

素因数の和:535

約数の個数: 128

約数和(自身を含む): 92067840

約数和(自身を除く): 65647320

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, 71, 84, 105, 120, 140, 142, 168, 210, 213, 280, 284, 355, 420, 426, 443, 497, 568, 710, 840, 852, 886, 994, 1065, 1329, 1420, 1491, 1704, 1772, 1988, 2130, 2215, 2485, 2658, 2840, 2982, 3101, 3544, 3976, 4260, 4430, 4970, 5316, 5964, 6202, 6645, 7455, 8520, 8860, 9303, 9940, 10632, 11928, 12404, 13290, 14910, 15505, 17720, 18606, 19880, 24808, 26580, 29820, 31010, 31453, 37212, 46515, 53160, 59640, 62020, 62906, 74424, 93030, 94359, 124040, 125812, 157265, 186060, 188718, 220171, 251624, 314530, 372120, 377436, 440342, 471795, 629060, 660513, 754872, 880684, 943590, 1100855, 1258120, 1321026, 1761368, 1887180, 2201710, 2642052, 3302565, 3774360, 4403420, 5284104, 6605130, 8806840, 13210260, 26420520]

約数ペア:

[(1, 26420520), (2, 13210260), (3, 8806840), (4, 6605130), (5, 5284104), (6, 4403420), (7, 3774360), (8, 3302565), (10, 2642052), (12, 2201710), (14, 1887180), (15, 1761368), (20, 1321026), (21, 1258120), (24, 1100855), (28, 943590), (30, 880684), (35, 754872), (40, 660513), (42, 629060), (56, 471795), (60, 440342), (70, 377436), (71, 372120), (84, 314530), (105, 251624), (120, 220171), (140, 188718), (142, 186060), (168, 157265), (210, 125812), (213, 124040), (280, 94359), (284, 93030), (355, 74424), (420, 62906), (426, 62020), (443, 59640), (497, 53160), (568, 46515), (710, 37212), (840, 31453), (852, 31010), (886, 29820), (994, 26580), (1065, 24808), (1329, 19880), (1420, 18606), (1491, 17720), (1704, 15505), (1772, 14910), (1988, 13290), (2130, 12404), (2215, 11928), (2485, 10632), (2658, 9940), (2840, 9303), (2982, 8860), (3101, 8520), (3544, 7455), (3976, 6645), (4260, 6202), (4430, 5964), (4970, 5316)]