1581580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1$

素因数の和:119

約数の個数: 96

約数和(自身を含む): 4515840

約数和(自身を除く): 2934260

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 52, 55, 65, 70, 77, 79, 91, 110, 130, 140, 143, 154, 158, 182, 220, 260, 286, 308, 316, 364, 385, 395, 455, 553, 572, 715, 770, 790, 869, 910, 1001, 1027, 1106, 1430, 1540, 1580, 1738, 1820, 2002, 2054, 2212, 2765, 2860, 3476, 4004, 4108, 4345, 5005, 5135, 5530, 6083, 7189, 8690, 10010, 10270, 11060, 11297, 12166, 14378, 17380, 20020, 20540, 22594, 24332, 28756, 30415, 35945, 45188, 56485, 60830, 71890, 79079, 112970, 121660, 143780, 158158, 225940, 316316, 395395, 790790, 1581580]

約数ペア:

[(1, 1581580), (2, 790790), (4, 395395), (5, 316316), (7, 225940), (10, 158158), (11, 143780), (13, 121660), (14, 112970), (20, 79079), (22, 71890), (26, 60830), (28, 56485), (35, 45188), (44, 35945), (52, 30415), (55, 28756), (65, 24332), (70, 22594), (77, 20540), (79, 20020), (91, 17380), (110, 14378), (130, 12166), (140, 11297), (143, 11060), (154, 10270), (158, 10010), (182, 8690), (220, 7189), (260, 6083), (286, 5530), (308, 5135), (316, 5005), (364, 4345), (385, 4108), (395, 4004), (455, 3476), (553, 2860), (572, 2765), (715, 2212), (770, 2054), (790, 2002), (869, 1820), (910, 1738), (1001, 1580), (1027, 1540), (1106, 1430)]