81449160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{479}}^1$

素因数の和:615

約数の個数: 128

約数和(自身を含む): 266112000

約数和(自身を除く): 184662840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 109, 120, 130, 156, 195, 218, 260, 312, 327, 390, 436, 479, 520, 545, 654, 780, 872, 958, 1090, 1308, 1417, 1437, 1560, 1635, 1916, 2180, 2395, 2616, 2834, 2874, 3270, 3832, 4251, 4360, 4790, 5668, 5748, 6227, 6540, 7085, 7185, 8502, 9580, 11336, 11496, 12454, 13080, 14170, 14370, 17004, 18681, 19160, 21255, 24908, 28340, 28740, 31135, 34008, 37362, 42510, 49816, 52211, 56680, 57480, 62270, 74724, 85020, 93405, 104422, 124540, 149448, 156633, 170040, 186810, 208844, 249080, 261055, 313266, 373620, 417688, 522110, 626532, 678743, 747240, 783165, 1044220, 1253064, 1357486, 1566330, 2036229, 2088440, 2714972, 3132660, 3393715, 4072458, 5429944, 6265320, 6787430, 8144916, 10181145, 13574860, 16289832, 20362290, 27149720, 40724580, 81449160]

約数ペア:

[(1, 81449160), (2, 40724580), (3, 27149720), (4, 20362290), (5, 16289832), (6, 13574860), (8, 10181145), (10, 8144916), (12, 6787430), (13, 6265320), (15, 5429944), (20, 4072458), (24, 3393715), (26, 3132660), (30, 2714972), (39, 2088440), (40, 2036229), (52, 1566330), (60, 1357486), (65, 1253064), (78, 1044220), (104, 783165), (109, 747240), (120, 678743), (130, 626532), (156, 522110), (195, 417688), (218, 373620), (260, 313266), (312, 261055), (327, 249080), (390, 208844), (436, 186810), (479, 170040), (520, 156633), (545, 149448), (654, 124540), (780, 104422), (872, 93405), (958, 85020), (1090, 74724), (1308, 62270), (1417, 57480), (1437, 56680), (1560, 52211), (1635, 49816), (1916, 42510), (2180, 37362), (2395, 34008), (2616, 31135), (2834, 28740), (2874, 28340), (3270, 24908), (3832, 21255), (4251, 19160), (4360, 18681), (4790, 17004), (5668, 14370), (5748, 14170), (6227, 13080), (6540, 12454), (7085, 11496), (7185, 11336), (8502, 9580)]