205868880

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{40847}}^1$

素因数の和:40873

約数の個数: 120

約数和(自身を含む): 790163712

約数和(自身を除く): 584294832

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 40847, 81694, 122541, 163388, 204235, 245082, 285929, 326776, 367623, 408470, 490164, 571858, 612705, 653552, 735246, 816940, 857787, 980328, 1143716, 1225410, 1429645, 1470492, 1633880, 1715574, 1838115, 1960656, 2287432, 2450820, 2573361, 2859290, 2940984, 3267760, 3431148, 3676230, 4288935, 4574864, 4901640, 5146722, 5718580, 5881968, 6862296, 7352460, 8577870, 9803280, 10293444, 11437160, 12866805, 13724592, 14704920, 17155740, 20586888, 22874320, 25733610, 29409840, 34311480, 41173776, 51467220, 68622960, 102934440, 205868880]

約数ペア:

[(1, 205868880), (2, 102934440), (3, 68622960), (4, 51467220), (5, 41173776), (6, 34311480), (7, 29409840), (8, 25733610), (9, 22874320), (10, 20586888), (12, 17155740), (14, 14704920), (15, 13724592), (16, 12866805), (18, 11437160), (20, 10293444), (21, 9803280), (24, 8577870), (28, 7352460), (30, 6862296), (35, 5881968), (36, 5718580), (40, 5146722), (42, 4901640), (45, 4574864), (48, 4288935), (56, 3676230), (60, 3431148), (63, 3267760), (70, 2940984), (72, 2859290), (80, 2573361), (84, 2450820), (90, 2287432), (105, 1960656), (112, 1838115), (120, 1715574), (126, 1633880), (140, 1470492), (144, 1429645), (168, 1225410), (180, 1143716), (210, 980328), (240, 857787), (252, 816940), (280, 735246), (315, 653552), (336, 612705), (360, 571858), (420, 490164), (504, 408470), (560, 367623), (630, 326776), (720, 285929), (840, 245082), (1008, 204235), (1260, 163388), (1680, 122541), (2520, 81694), (5040, 40847)]