1218014720

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{36599}}^1$

素因数の和:36635

約数の個数: 80

約数和(自身を含む): 3145111200

約数和(自身を除く): 1927096480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 512, 520, 640, 832, 1040, 1280, 1664, 2080, 2560, 3328, 4160, 6656, 8320, 16640, 33280, 36599, 73198, 146396, 182995, 292792, 365990, 475787, 585584, 731980, 951574, 1171168, 1463960, 1903148, 2342336, 2378935, 2927920, 3806296, 4684672, 4757870, 5855840, 7612592, 9369344, 9515740, 11711680, 15225184, 18738688, 19031480, 23423360, 30450368, 38062960, 46846720, 60900736, 76125920, 93693440, 121801472, 152251840, 243602944, 304503680, 609007360, 1218014720]

約数ペア:

[(1, 1218014720), (2, 609007360), (4, 304503680), (5, 243602944), (8, 152251840), (10, 121801472), (13, 93693440), (16, 76125920), (20, 60900736), (26, 46846720), (32, 38062960), (40, 30450368), (52, 23423360), (64, 19031480), (65, 18738688), (80, 15225184), (104, 11711680), (128, 9515740), (130, 9369344), (160, 7612592), (208, 5855840), (256, 4757870), (260, 4684672), (320, 3806296), (416, 2927920), (512, 2378935), (520, 2342336), (640, 1903148), (832, 1463960), (1040, 1171168), (1280, 951574), (1664, 731980), (2080, 585584), (2560, 475787), (3328, 365990), (4160, 292792), (6656, 182995), (8320, 146396), (16640, 73198), (33280, 36599)]