328761720

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{43487}}^1$

素因数の和:43514

約数の個数: 128

約数和(自身を含む): 1252454400

約数和(自身を除く): 923692680

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, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 43487, 86974, 130461, 173948, 217435, 260922, 304409, 347896, 391383, 434870, 521844, 608818, 652305, 782766, 869740, 913227, 1043688, 1174149, 1217636, 1304610, 1522045, 1565532, 1739480, 1826454, 1956915, 2348298, 2435272, 2609220, 2739681, 3044090, 3131064, 3652908, 3913830, 4566135, 4696596, 5218440, 5479362, 5870745, 6088180, 7305816, 7827660, 8219043, 9132270, 9393192, 10958724, 11741490, 12176360, 13698405, 15655320, 16438086, 18264540, 21917448, 23482980, 27396810, 32876172, 36529080, 41095215, 46965960, 54793620, 65752344, 82190430, 109587240, 164380860, 328761720]

約数ペア:

[(1, 328761720), (2, 164380860), (3, 109587240), (4, 82190430), (5, 65752344), (6, 54793620), (7, 46965960), (8, 41095215), (9, 36529080), (10, 32876172), (12, 27396810), (14, 23482980), (15, 21917448), (18, 18264540), (20, 16438086), (21, 15655320), (24, 13698405), (27, 12176360), (28, 11741490), (30, 10958724), (35, 9393192), (36, 9132270), (40, 8219043), (42, 7827660), (45, 7305816), (54, 6088180), (56, 5870745), (60, 5479362), (63, 5218440), (70, 4696596), (72, 4566135), (84, 3913830), (90, 3652908), (105, 3131064), (108, 3044090), (120, 2739681), (126, 2609220), (135, 2435272), (140, 2348298), (168, 1956915), (180, 1826454), (189, 1739480), (210, 1565532), (216, 1522045), (252, 1304610), (270, 1217636), (280, 1174149), (315, 1043688), (360, 913227), (378, 869740), (420, 782766), (504, 652305), (540, 608818), (630, 521844), (756, 434870), (840, 391383), (945, 347896), (1080, 304409), (1260, 260922), (1512, 217435), (1890, 173948), (2520, 130461), (3780, 86974), (7560, 43487)]