281150640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{390487}}^1$

素因数の和:390506

約数の個数: 60

約数和(自身を含む): 944199984

約数和(自身を除く): 663049344

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 390487, 780974, 1171461, 1561948, 1952435, 2342922, 3123896, 3514383, 3904870, 4685844, 5857305, 6247792, 7028766, 7809740, 9371688, 11714610, 14057532, 15619480, 17571915, 18743376, 23429220, 28115064, 31238960, 35143830, 46858440, 56230128, 70287660, 93716880, 140575320, 281150640]

約数ペア:

[(1, 281150640), (2, 140575320), (3, 93716880), (4, 70287660), (5, 56230128), (6, 46858440), (8, 35143830), (9, 31238960), (10, 28115064), (12, 23429220), (15, 18743376), (16, 17571915), (18, 15619480), (20, 14057532), (24, 11714610), (30, 9371688), (36, 7809740), (40, 7028766), (45, 6247792), (48, 5857305), (60, 4685844), (72, 3904870), (80, 3514383), (90, 3123896), (120, 2342922), (144, 1952435), (180, 1561948), (240, 1171461), (360, 780974), (720, 390487)]