1561041720

素因数分解:

$2^3\times 3^5\times 5^1\times 7^1\times {\mathrm{22943}}^1$

素因数の和:22976

約数の個数: 192

約数和(自身を含む): 6013163520

約数和(自身を除く): 4452121800

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, 243, 252, 270, 280, 315, 324, 360, 378, 405, 420, 486, 504, 540, 567, 630, 648, 756, 810, 840, 945, 972, 1080, 1134, 1215, 1260, 1512, 1620, 1701, 1890, 1944, 2268, 2430, 2520, 2835, 3240, 3402, 3780, 4536, 4860, 5670, 6804, 7560, 8505, 9720, 11340, 13608, 17010, 22680, 22943, 34020, 45886, 68040, 68829, 91772, 114715, 137658, 160601, 183544, 206487, 229430, 275316, 321202, 344145, 412974, 458860, 481803, 550632, 619461, 642404, 688290, 803005, 825948, 917720, 963606, 1032435, 1238922, 1284808, 1376580, 1445409, 1606010, 1651896, 1858383, 1927212, 2064870, 2409015, 2477844, 2753160, 2890818, 3097305, 3212020, 3716766, 3854424, 4129740, 4336227, 4818030, 4955688, 5575149, 5781636, 6194610, 6424040, 7227045, 7433532, 8259480, 8672454, 9291915, 9636060, 11150298, 11563272, 12389220, 13008681, 14454090, 14867064, 17344908, 18583830, 19272120, 21681135, 22300596, 24778440, 26017362, 27875745, 28908180, 34689816, 37167660, 39026043, 43362270, 44601192, 52034724, 55751490, 57816360, 65043405, 74335320, 78052086, 86724540, 104069448, 111502980, 130086810, 156104172, 173449080, 195130215, 223005960, 260173620, 312208344, 390260430, 520347240, 780520860, 1561041720]

約数ペア:

[(1, 1561041720), (2, 780520860), (3, 520347240), (4, 390260430), (5, 312208344), (6, 260173620), (7, 223005960), (8, 195130215), (9, 173449080), (10, 156104172), (12, 130086810), (14, 111502980), (15, 104069448), (18, 86724540), (20, 78052086), (21, 74335320), (24, 65043405), (27, 57816360), (28, 55751490), (30, 52034724), (35, 44601192), (36, 43362270), (40, 39026043), (42, 37167660), (45, 34689816), (54, 28908180), (56, 27875745), (60, 26017362), (63, 24778440), (70, 22300596), (72, 21681135), (81, 19272120), (84, 18583830), (90, 17344908), (105, 14867064), (108, 14454090), (120, 13008681), (126, 12389220), (135, 11563272), (140, 11150298), (162, 9636060), (168, 9291915), (180, 8672454), (189, 8259480), (210, 7433532), (216, 7227045), (243, 6424040), (252, 6194610), (270, 5781636), (280, 5575149), (315, 4955688), (324, 4818030), (360, 4336227), (378, 4129740), (405, 3854424), (420, 3716766), (486, 3212020), (504, 3097305), (540, 2890818), (567, 2753160), (630, 2477844), (648, 2409015), (756, 2064870), (810, 1927212), (840, 1858383), (945, 1651896), (972, 1606010), (1080, 1445409), (1134, 1376580), (1215, 1284808), (1260, 1238922), (1512, 1032435), (1620, 963606), (1701, 917720), (1890, 825948), (1944, 803005), (2268, 688290), (2430, 642404), (2520, 619461), (2835, 550632), (3240, 481803), (3402, 458860), (3780, 412974), (4536, 344145), (4860, 321202), (5670, 275316), (6804, 229430), (7560, 206487), (8505, 183544), (9720, 160601), (11340, 137658), (13608, 114715), (17010, 91772), (22680, 68829), (22943, 68040), (34020, 45886)]