420238320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{839}}^1\times {\mathrm{2087}}^1$

素因数の和:2942

約数の個数: 80

約数和(自身を含む): 1304916480

約数和(自身を除く): 884678160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 839, 1678, 2087, 2517, 3356, 4174, 4195, 5034, 6261, 6712, 8348, 8390, 10068, 10435, 12522, 12585, 13424, 16696, 16780, 20136, 20870, 25044, 25170, 31305, 33392, 33560, 40272, 41740, 50088, 50340, 62610, 67120, 83480, 100176, 100680, 125220, 166960, 201360, 250440, 500880, 1750993, 3501986, 5252979, 7003972, 8754965, 10505958, 14007944, 17509930, 21011916, 26264895, 28015888, 35019860, 42023832, 52529790, 70039720, 84047664, 105059580, 140079440, 210119160, 420238320]

約数ペア:

[(1, 420238320), (2, 210119160), (3, 140079440), (4, 105059580), (5, 84047664), (6, 70039720), (8, 52529790), (10, 42023832), (12, 35019860), (15, 28015888), (16, 26264895), (20, 21011916), (24, 17509930), (30, 14007944), (40, 10505958), (48, 8754965), (60, 7003972), (80, 5252979), (120, 3501986), (240, 1750993), (839, 500880), (1678, 250440), (2087, 201360), (2517, 166960), (3356, 125220), (4174, 100680), (4195, 100176), (5034, 83480), (6261, 67120), (6712, 62610), (8348, 50340), (8390, 50088), (10068, 41740), (10435, 40272), (12522, 33560), (12585, 33392), (13424, 31305), (16696, 25170), (16780, 25044), (20136, 20870)]