1661660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1$

素因数の和:123

約数の個数: 96

約数和(自身を含む): 4741632

約数和(自身を除く): 3079972

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 52, 55, 65, 70, 77, 83, 91, 110, 130, 140, 143, 154, 166, 182, 220, 260, 286, 308, 332, 364, 385, 415, 455, 572, 581, 715, 770, 830, 910, 913, 1001, 1079, 1162, 1430, 1540, 1660, 1820, 1826, 2002, 2158, 2324, 2860, 2905, 3652, 4004, 4316, 4565, 5005, 5395, 5810, 6391, 7553, 9130, 10010, 10790, 11620, 11869, 12782, 15106, 18260, 20020, 21580, 23738, 25564, 30212, 31955, 37765, 47476, 59345, 63910, 75530, 83083, 118690, 127820, 151060, 166166, 237380, 332332, 415415, 830830, 1661660]

約数ペア:

[(1, 1661660), (2, 830830), (4, 415415), (5, 332332), (7, 237380), (10, 166166), (11, 151060), (13, 127820), (14, 118690), (20, 83083), (22, 75530), (26, 63910), (28, 59345), (35, 47476), (44, 37765), (52, 31955), (55, 30212), (65, 25564), (70, 23738), (77, 21580), (83, 20020), (91, 18260), (110, 15106), (130, 12782), (140, 11869), (143, 11620), (154, 10790), (166, 10010), (182, 9130), (220, 7553), (260, 6391), (286, 5810), (308, 5395), (332, 5005), (364, 4565), (385, 4316), (415, 4004), (455, 3652), (572, 2905), (581, 2860), (715, 2324), (770, 2158), (830, 2002), (910, 1826), (913, 1820), (1001, 1660), (1079, 1540), (1162, 1430)]