260959440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{155333}}^1$

素因数の和:155356

約数の個数: 80

約数和(自身を含む): 924547968

約数和(自身を除く): 663588528

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 155333, 310666, 465999, 621332, 776665, 931998, 1087331, 1242664, 1553330, 1863996, 2174662, 2329995, 2485328, 3106660, 3261993, 3727992, 4349324, 4659990, 5436655, 6213320, 6523986, 7455984, 8698648, 9319980, 10873310, 12426640, 13047972, 16309965, 17397296, 18639960, 21746620, 26095944, 32619930, 37279920, 43493240, 52191888, 65239860, 86986480, 130479720, 260959440]

約数ペア:

[(1, 260959440), (2, 130479720), (3, 86986480), (4, 65239860), (5, 52191888), (6, 43493240), (7, 37279920), (8, 32619930), (10, 26095944), (12, 21746620), (14, 18639960), (15, 17397296), (16, 16309965), (20, 13047972), (21, 12426640), (24, 10873310), (28, 9319980), (30, 8698648), (35, 7455984), (40, 6523986), (42, 6213320), (48, 5436655), (56, 4659990), (60, 4349324), (70, 3727992), (80, 3261993), (84, 3106660), (105, 2485328), (112, 2329995), (120, 2174662), (140, 1863996), (168, 1553330), (210, 1242664), (240, 1087331), (280, 931998), (336, 776665), (420, 621332), (560, 465999), (840, 310666), (1680, 155333)]