281526840

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{12413}}^1$

素因数の和:12443

約数の個数: 160

約数和(自身を含む): 1081507680

約数和(自身を除く): 799980840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 81, 84, 90, 105, 108, 120, 126, 135, 140, 162, 168, 180, 189, 210, 216, 252, 270, 280, 315, 324, 360, 378, 405, 420, 504, 540, 567, 630, 648, 756, 810, 840, 945, 1080, 1134, 1260, 1512, 1620, 1890, 2268, 2520, 2835, 3240, 3780, 4536, 5670, 7560, 11340, 12413, 22680, 24826, 37239, 49652, 62065, 74478, 86891, 99304, 111717, 124130, 148956, 173782, 186195, 223434, 248260, 260673, 297912, 335151, 347564, 372390, 434455, 446868, 496520, 521346, 558585, 670302, 695128, 744780, 782019, 868910, 893736, 1005453, 1042692, 1117170, 1303365, 1340604, 1489560, 1564038, 1675755, 1737820, 2010906, 2085384, 2234340, 2346057, 2606730, 2681208, 3128076, 3351510, 3475640, 3910095, 4021812, 4468680, 4692114, 5027265, 5213460, 6256152, 6703020, 7038171, 7820190, 8043624, 9384228, 10054530, 10426920, 11730285, 13406040, 14076342, 15640380, 18768456, 20109060, 23460570, 28152684, 31280760, 35190855, 40218120, 46921140, 56305368, 70381710, 93842280, 140763420, 281526840]

約数ペア:

[(1, 281526840), (2, 140763420), (3, 93842280), (4, 70381710), (5, 56305368), (6, 46921140), (7, 40218120), (8, 35190855), (9, 31280760), (10, 28152684), (12, 23460570), (14, 20109060), (15, 18768456), (18, 15640380), (20, 14076342), (21, 13406040), (24, 11730285), (27, 10426920), (28, 10054530), (30, 9384228), (35, 8043624), (36, 7820190), (40, 7038171), (42, 6703020), (45, 6256152), (54, 5213460), (56, 5027265), (60, 4692114), (63, 4468680), (70, 4021812), (72, 3910095), (81, 3475640), (84, 3351510), (90, 3128076), (105, 2681208), (108, 2606730), (120, 2346057), (126, 2234340), (135, 2085384), (140, 2010906), (162, 1737820), (168, 1675755), (180, 1564038), (189, 1489560), (210, 1340604), (216, 1303365), (252, 1117170), (270, 1042692), (280, 1005453), (315, 893736), (324, 868910), (360, 782019), (378, 744780), (405, 695128), (420, 670302), (504, 558585), (540, 521346), (567, 496520), (630, 446868), (648, 434455), (756, 372390), (810, 347564), (840, 335151), (945, 297912), (1080, 260673), (1134, 248260), (1260, 223434), (1512, 186195), (1620, 173782), (1890, 148956), (2268, 124130), (2520, 111717), (2835, 99304), (3240, 86891), (3780, 74478), (4536, 62065), (5670, 49652), (7560, 37239), (11340, 24826), (12413, 22680)]