15798390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:257

約数の個数: 64

約数和(自身を含む): 39372480

約数和(自身を除く): 23574090

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 61, 89, 97, 122, 178, 183, 194, 267, 291, 305, 366, 445, 485, 534, 582, 610, 890, 915, 970, 1335, 1455, 1830, 2670, 2910, 5429, 5917, 8633, 10858, 11834, 16287, 17266, 17751, 25899, 27145, 29585, 32574, 35502, 43165, 51798, 54290, 59170, 81435, 86330, 88755, 129495, 162870, 177510, 258990, 526613, 1053226, 1579839, 2633065, 3159678, 5266130, 7899195, 15798390]

約数ペア:

[(1, 15798390), (2, 7899195), (3, 5266130), (5, 3159678), (6, 2633065), (10, 1579839), (15, 1053226), (30, 526613), (61, 258990), (89, 177510), (97, 162870), (122, 129495), (178, 88755), (183, 86330), (194, 81435), (267, 59170), (291, 54290), (305, 51798), (366, 43165), (445, 35502), (485, 32574), (534, 29585), (582, 27145), (610, 25899), (890, 17751), (915, 17266), (970, 16287), (1335, 11834), (1455, 10858), (1830, 8633), (2670, 5917), (2910, 5429)]