204021720

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{26987}}^1$

素因数の和:27014

約数の個数: 128

約数和(自身を含む): 777254400

約数和(自身を除く): 573232680

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, 26987, 53974, 80961, 107948, 134935, 161922, 188909, 215896, 242883, 269870, 323844, 377818, 404805, 485766, 539740, 566727, 647688, 728649, 755636, 809610, 944545, 971532, 1079480, 1133454, 1214415, 1457298, 1511272, 1619220, 1700181, 1889090, 1943064, 2266908, 2428830, 2833635, 2914596, 3238440, 3400362, 3643245, 3778180, 4533816, 4857660, 5100543, 5667270, 5829192, 6800724, 7286490, 7556360, 8500905, 9715320, 10201086, 11334540, 13601448, 14572980, 17001810, 20402172, 22669080, 25502715, 29145960, 34003620, 40804344, 51005430, 68007240, 102010860, 204021720]

約数ペア:

[(1, 204021720), (2, 102010860), (3, 68007240), (4, 51005430), (5, 40804344), (6, 34003620), (7, 29145960), (8, 25502715), (9, 22669080), (10, 20402172), (12, 17001810), (14, 14572980), (15, 13601448), (18, 11334540), (20, 10201086), (21, 9715320), (24, 8500905), (27, 7556360), (28, 7286490), (30, 6800724), (35, 5829192), (36, 5667270), (40, 5100543), (42, 4857660), (45, 4533816), (54, 3778180), (56, 3643245), (60, 3400362), (63, 3238440), (70, 2914596), (72, 2833635), (84, 2428830), (90, 2266908), (105, 1943064), (108, 1889090), (120, 1700181), (126, 1619220), (135, 1511272), (140, 1457298), (168, 1214415), (180, 1133454), (189, 1079480), (210, 971532), (216, 944545), (252, 809610), (270, 755636), (280, 728649), (315, 647688), (360, 566727), (378, 539740), (420, 485766), (504, 404805), (540, 377818), (630, 323844), (756, 269870), (840, 242883), (945, 215896), (1080, 188909), (1260, 161922), (1512, 134935), (1890, 107948), (2520, 80961), (3780, 53974), (7560, 26987)]