15720648

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{727}}^1$

素因数の和:806

約数の個数: 64

約数和(自身を含む): 42456960

約数和(自身を除く): 26736312

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 53, 68, 102, 106, 136, 159, 204, 212, 318, 408, 424, 636, 727, 901, 1272, 1454, 1802, 2181, 2703, 2908, 3604, 4362, 5406, 5816, 7208, 8724, 10812, 12359, 17448, 21624, 24718, 37077, 38531, 49436, 74154, 77062, 98872, 115593, 148308, 154124, 231186, 296616, 308248, 462372, 655027, 924744, 1310054, 1965081, 2620108, 3930162, 5240216, 7860324, 15720648]

約数ペア:

[(1, 15720648), (2, 7860324), (3, 5240216), (4, 3930162), (6, 2620108), (8, 1965081), (12, 1310054), (17, 924744), (24, 655027), (34, 462372), (51, 308248), (53, 296616), (68, 231186), (102, 154124), (106, 148308), (136, 115593), (159, 98872), (204, 77062), (212, 74154), (318, 49436), (408, 38531), (424, 37077), (636, 24718), (727, 21624), (901, 17448), (1272, 12359), (1454, 10812), (1802, 8724), (2181, 7208), (2703, 5816), (2908, 5406), (3604, 4362)]