15684228

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{571}}^1$

素因数の和:697

約数の個数: 72

約数和(自身を含む): 45805760

約数和(自身を除く): 30121532

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 109, 126, 218, 252, 327, 436, 571, 654, 763, 981, 1142, 1308, 1526, 1713, 1962, 2284, 2289, 3052, 3426, 3924, 3997, 4578, 5139, 6852, 6867, 7994, 9156, 10278, 11991, 13734, 15988, 20556, 23982, 27468, 35973, 47964, 62239, 71946, 124478, 143892, 186717, 248956, 373434, 435673, 560151, 746868, 871346, 1120302, 1307019, 1742692, 2240604, 2614038, 3921057, 5228076, 7842114, 15684228]

約数ペア:

[(1, 15684228), (2, 7842114), (3, 5228076), (4, 3921057), (6, 2614038), (7, 2240604), (9, 1742692), (12, 1307019), (14, 1120302), (18, 871346), (21, 746868), (28, 560151), (36, 435673), (42, 373434), (63, 248956), (84, 186717), (109, 143892), (126, 124478), (218, 71946), (252, 62239), (327, 47964), (436, 35973), (571, 27468), (654, 23982), (763, 20556), (981, 15988), (1142, 13734), (1308, 11991), (1526, 10278), (1713, 9156), (1962, 7994), (2284, 6867), (2289, 6852), (3052, 5139), (3426, 4578), (3924, 3997)]