15672020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:217

約数の個数: 96

約数和(自身を含む): 41395200

約数和(自身を除く): 25723180

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 79, 91, 109, 130, 140, 158, 182, 218, 260, 316, 364, 395, 436, 455, 545, 553, 763, 790, 910, 1027, 1090, 1106, 1417, 1526, 1580, 1820, 2054, 2180, 2212, 2765, 2834, 3052, 3815, 4108, 5135, 5530, 5668, 7085, 7189, 7630, 8611, 9919, 10270, 11060, 14170, 14378, 15260, 17222, 19838, 20540, 28340, 28756, 34444, 35945, 39676, 43055, 49595, 60277, 71890, 86110, 99190, 111943, 120554, 143780, 172220, 198380, 223886, 241108, 301385, 447772, 559715, 602770, 783601, 1119430, 1205540, 1567202, 2238860, 3134404, 3918005, 7836010, 15672020]

約数ペア:

[(1, 15672020), (2, 7836010), (4, 3918005), (5, 3134404), (7, 2238860), (10, 1567202), (13, 1205540), (14, 1119430), (20, 783601), (26, 602770), (28, 559715), (35, 447772), (52, 301385), (65, 241108), (70, 223886), (79, 198380), (91, 172220), (109, 143780), (130, 120554), (140, 111943), (158, 99190), (182, 86110), (218, 71890), (260, 60277), (316, 49595), (364, 43055), (395, 39676), (436, 35945), (455, 34444), (545, 28756), (553, 28340), (763, 20540), (790, 19838), (910, 17222), (1027, 15260), (1090, 14378), (1106, 14170), (1417, 11060), (1526, 10270), (1580, 9919), (1820, 8611), (2054, 7630), (2180, 7189), (2212, 7085), (2765, 5668), (2834, 5530), (3052, 5135), (3815, 4108)]