221833080

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{9781}}^1$

素因数の和:9811

約数の個数: 160

約数和(自身を含む): 852207840

約数和(自身を除く): 630374760

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, 9781, 11340, 19562, 22680, 29343, 39124, 48905, 58686, 68467, 78248, 88029, 97810, 117372, 136934, 146715, 176058, 195620, 205401, 234744, 264087, 273868, 293430, 342335, 352116, 391240, 410802, 440145, 528174, 547736, 586860, 616203, 684670, 704232, 792261, 821604, 880290, 1027005, 1056348, 1173720, 1232406, 1320435, 1369340, 1584522, 1643208, 1760580, 1848609, 2054010, 2112696, 2464812, 2640870, 2738680, 3081015, 3169044, 3521160, 3697218, 3961305, 4108020, 4929624, 5281740, 5545827, 6162030, 6338088, 7394436, 7922610, 8216040, 9243045, 10563480, 11091654, 12324060, 14788872, 15845220, 18486090, 22183308, 24648120, 27729135, 31690440, 36972180, 44366616, 55458270, 73944360, 110916540, 221833080]

約数ペア:

[(1, 221833080), (2, 110916540), (3, 73944360), (4, 55458270), (5, 44366616), (6, 36972180), (7, 31690440), (8, 27729135), (9, 24648120), (10, 22183308), (12, 18486090), (14, 15845220), (15, 14788872), (18, 12324060), (20, 11091654), (21, 10563480), (24, 9243045), (27, 8216040), (28, 7922610), (30, 7394436), (35, 6338088), (36, 6162030), (40, 5545827), (42, 5281740), (45, 4929624), (54, 4108020), (56, 3961305), (60, 3697218), (63, 3521160), (70, 3169044), (72, 3081015), (81, 2738680), (84, 2640870), (90, 2464812), (105, 2112696), (108, 2054010), (120, 1848609), (126, 1760580), (135, 1643208), (140, 1584522), (162, 1369340), (168, 1320435), (180, 1232406), (189, 1173720), (210, 1056348), (216, 1027005), (252, 880290), (270, 821604), (280, 792261), (315, 704232), (324, 684670), (360, 616203), (378, 586860), (405, 547736), (420, 528174), (504, 440145), (540, 410802), (567, 391240), (630, 352116), (648, 342335), (756, 293430), (810, 273868), (840, 264087), (945, 234744), (1080, 205401), (1134, 195620), (1260, 176058), (1512, 146715), (1620, 136934), (1890, 117372), (2268, 97810), (2520, 88029), (2835, 78248), (3240, 68467), (3780, 58686), (4536, 48905), (5670, 39124), (7560, 29343), (9781, 22680), (11340, 19562)]