211181520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{479}}^1$

素因数の和:673

約数の個数: 160

約数和(自身を含む): 719953920

約数和(自身を除く): 508772400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 167, 176, 220, 240, 264, 330, 334, 440, 479, 501, 528, 660, 668, 835, 880, 958, 1002, 1320, 1336, 1437, 1670, 1837, 1916, 2004, 2395, 2505, 2640, 2672, 2874, 3340, 3674, 3832, 4008, 4790, 5010, 5269, 5511, 5748, 6680, 7185, 7348, 7664, 8016, 9185, 9580, 10020, 10538, 11022, 11496, 13360, 14370, 14696, 15807, 18370, 19160, 20040, 21076, 22044, 22992, 26345, 27555, 28740, 29392, 31614, 36740, 38320, 40080, 42152, 44088, 52690, 55110, 57480, 63228, 73480, 79035, 79993, 84304, 88176, 105380, 110220, 114960, 126456, 146960, 158070, 159986, 210760, 220440, 239979, 252912, 316140, 319972, 399965, 421520, 440880, 479958, 632280, 639944, 799930, 879923, 959916, 1199895, 1264560, 1279888, 1599860, 1759846, 1919832, 2399790, 2639769, 3199720, 3519692, 3839664, 4399615, 4799580, 5279538, 6399440, 7039384, 8799230, 9599160, 10559076, 13198845, 14078768, 17598460, 19198320, 21118152, 26397690, 35196920, 42236304, 52795380, 70393840, 105590760, 211181520]

約数ペア:

[(1, 211181520), (2, 105590760), (3, 70393840), (4, 52795380), (5, 42236304), (6, 35196920), (8, 26397690), (10, 21118152), (11, 19198320), (12, 17598460), (15, 14078768), (16, 13198845), (20, 10559076), (22, 9599160), (24, 8799230), (30, 7039384), (33, 6399440), (40, 5279538), (44, 4799580), (48, 4399615), (55, 3839664), (60, 3519692), (66, 3199720), (80, 2639769), (88, 2399790), (110, 1919832), (120, 1759846), (132, 1599860), (165, 1279888), (167, 1264560), (176, 1199895), (220, 959916), (240, 879923), (264, 799930), (330, 639944), (334, 632280), (440, 479958), (479, 440880), (501, 421520), (528, 399965), (660, 319972), (668, 316140), (835, 252912), (880, 239979), (958, 220440), (1002, 210760), (1320, 159986), (1336, 158070), (1437, 146960), (1670, 126456), (1837, 114960), (1916, 110220), (2004, 105380), (2395, 88176), (2505, 84304), (2640, 79993), (2672, 79035), (2874, 73480), (3340, 63228), (3674, 57480), (3832, 55110), (4008, 52690), (4790, 44088), (5010, 42152), (5269, 40080), (5511, 38320), (5748, 36740), (6680, 31614), (7185, 29392), (7348, 28740), (7664, 27555), (8016, 26345), (9185, 22992), (9580, 22044), (10020, 21076), (10538, 20040), (11022, 19160), (11496, 18370), (13360, 15807), (14370, 14696)]