15384980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1259}}^1$

素因数の和:1328

約数の個数: 48

約数和(自身を含む): 35562240

約数和(自身を除く): 20177260

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 188, 235, 260, 470, 611, 940, 1222, 1259, 2444, 2518, 3055, 5036, 6110, 6295, 12220, 12590, 16367, 25180, 32734, 59173, 65468, 81835, 118346, 163670, 236692, 295865, 327340, 591730, 769249, 1183460, 1538498, 3076996, 3846245, 7692490, 15384980]

約数ペア:

[(1, 15384980), (2, 7692490), (4, 3846245), (5, 3076996), (10, 1538498), (13, 1183460), (20, 769249), (26, 591730), (47, 327340), (52, 295865), (65, 236692), (94, 163670), (130, 118346), (188, 81835), (235, 65468), (260, 59173), (470, 32734), (611, 25180), (940, 16367), (1222, 12590), (1259, 12220), (2444, 6295), (2518, 6110), (3055, 5036)]