15231440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{461}}^1$

素因数の和:540

約数の個数: 80

約数和(自身を含む): 41247360

約数和(自身を除く): 26015920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 59, 70, 80, 112, 118, 140, 236, 280, 295, 413, 461, 472, 560, 590, 826, 922, 944, 1180, 1652, 1844, 2065, 2305, 2360, 3227, 3304, 3688, 4130, 4610, 4720, 6454, 6608, 7376, 8260, 9220, 12908, 16135, 16520, 18440, 25816, 27199, 32270, 33040, 36880, 51632, 54398, 64540, 108796, 129080, 135995, 190393, 217592, 258160, 271990, 380786, 435184, 543980, 761572, 951965, 1087960, 1523144, 1903930, 2175920, 3046288, 3807860, 7615720, 15231440]

約数ペア:

[(1, 15231440), (2, 7615720), (4, 3807860), (5, 3046288), (7, 2175920), (8, 1903930), (10, 1523144), (14, 1087960), (16, 951965), (20, 761572), (28, 543980), (35, 435184), (40, 380786), (56, 271990), (59, 258160), (70, 217592), (80, 190393), (112, 135995), (118, 129080), (140, 108796), (236, 64540), (280, 54398), (295, 51632), (413, 36880), (461, 33040), (472, 32270), (560, 27199), (590, 25816), (826, 18440), (922, 16520), (944, 16135), (1180, 12908), (1652, 9220), (1844, 8260), (2065, 7376), (2305, 6608), (2360, 6454), (3227, 4720), (3304, 4610), (3688, 4130)]