421725960

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{390487}}^1$

素因数の和:390507

約数の個数: 64

約数和(自身を含む): 1405756800

約数和(自身を除く): 984030840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 390487, 780974, 1171461, 1561948, 1952435, 2342922, 3123896, 3514383, 3904870, 4685844, 5857305, 7028766, 7809740, 9371688, 10543149, 11714610, 14057532, 15619480, 17571915, 21086298, 23429220, 28115064, 35143830, 42172596, 46858440, 52715745, 70287660, 84345192, 105431490, 140575320, 210862980, 421725960]

約数ペア:

[(1, 421725960), (2, 210862980), (3, 140575320), (4, 105431490), (5, 84345192), (6, 70287660), (8, 52715745), (9, 46858440), (10, 42172596), (12, 35143830), (15, 28115064), (18, 23429220), (20, 21086298), (24, 17571915), (27, 15619480), (30, 14057532), (36, 11714610), (40, 10543149), (45, 9371688), (54, 7809740), (60, 7028766), (72, 5857305), (90, 4685844), (108, 3904870), (120, 3514383), (135, 3123896), (180, 2342922), (216, 1952435), (270, 1561948), (360, 1171461), (540, 780974), (1080, 390487)]