207823140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{8681}}^1$

素因数の和:8722

約数の個数: 144

約数和(自身を含む): 758459520

約数和(自身を除く): 550636380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 133, 140, 171, 180, 190, 210, 228, 252, 266, 285, 315, 342, 380, 399, 420, 532, 570, 630, 665, 684, 798, 855, 1140, 1197, 1260, 1330, 1596, 1710, 1995, 2394, 2660, 3420, 3990, 4788, 5985, 7980, 8681, 11970, 17362, 23940, 26043, 34724, 43405, 52086, 60767, 78129, 86810, 104172, 121534, 130215, 156258, 164939, 173620, 182301, 243068, 260430, 303835, 312516, 329878, 364602, 390645, 494817, 520860, 546903, 607670, 659756, 729204, 781290, 824695, 911505, 989634, 1093806, 1154573, 1215340, 1484451, 1562580, 1649390, 1823010, 1979268, 2187612, 2309146, 2474085, 2734515, 2968902, 3298780, 3463719, 3646020, 4618292, 4948170, 5469030, 5772865, 5937804, 6927438, 7422255, 9896340, 10391157, 10938060, 11545730, 13854876, 14844510, 17318595, 20782314, 23091460, 29689020, 34637190, 41564628, 51955785, 69274380, 103911570, 207823140]

約数ペア:

[(1, 207823140), (2, 103911570), (3, 69274380), (4, 51955785), (5, 41564628), (6, 34637190), (7, 29689020), (9, 23091460), (10, 20782314), (12, 17318595), (14, 14844510), (15, 13854876), (18, 11545730), (19, 10938060), (20, 10391157), (21, 9896340), (28, 7422255), (30, 6927438), (35, 5937804), (36, 5772865), (38, 5469030), (42, 4948170), (45, 4618292), (57, 3646020), (60, 3463719), (63, 3298780), (70, 2968902), (76, 2734515), (84, 2474085), (90, 2309146), (95, 2187612), (105, 1979268), (114, 1823010), (126, 1649390), (133, 1562580), (140, 1484451), (171, 1215340), (180, 1154573), (190, 1093806), (210, 989634), (228, 911505), (252, 824695), (266, 781290), (285, 729204), (315, 659756), (342, 607670), (380, 546903), (399, 520860), (420, 494817), (532, 390645), (570, 364602), (630, 329878), (665, 312516), (684, 303835), (798, 260430), (855, 243068), (1140, 182301), (1197, 173620), (1260, 164939), (1330, 156258), (1596, 130215), (1710, 121534), (1995, 104172), (2394, 86810), (2660, 78129), (3420, 60767), (3990, 52086), (4788, 43405), (5985, 34724), (7980, 26043), (8681, 23940), (11970, 17362)]