15328040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4211}}^1$

素因数の和:4242

約数の個数: 64

約数和(自身を含む): 42456960

約数和(自身を除く): 27128920

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 4211, 8422, 16844, 21055, 29477, 33688, 42110, 54743, 58954, 84220, 109486, 117908, 147385, 168440, 218972, 235816, 273715, 294770, 383201, 437944, 547430, 589540, 766402, 1094860, 1179080, 1532804, 1916005, 2189720, 3065608, 3832010, 7664020, 15328040]

約数ペア:

[(1, 15328040), (2, 7664020), (4, 3832010), (5, 3065608), (7, 2189720), (8, 1916005), (10, 1532804), (13, 1179080), (14, 1094860), (20, 766402), (26, 589540), (28, 547430), (35, 437944), (40, 383201), (52, 294770), (56, 273715), (65, 235816), (70, 218972), (91, 168440), (104, 147385), (130, 117908), (140, 109486), (182, 84220), (260, 58954), (280, 54743), (364, 42110), (455, 33688), (520, 29477), (728, 21055), (910, 16844), (1820, 8422), (3640, 4211)]