15541330

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{197}}^1$

素因数の和:248

約数の個数: 64

約数和(自身を含む): 34214400

約数和(自身を除く): 18673070

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 49, 70, 98, 115, 161, 197, 230, 245, 322, 343, 394, 490, 686, 805, 985, 1127, 1379, 1610, 1715, 1970, 2254, 2758, 3430, 4531, 5635, 6895, 7889, 9062, 9653, 11270, 13790, 15778, 19306, 22655, 31717, 39445, 45310, 48265, 63434, 67571, 78890, 96530, 135142, 158585, 222019, 317170, 337855, 444038, 675710, 1110095, 1554133, 2220190, 3108266, 7770665, 15541330]

約数ペア:

[(1, 15541330), (2, 7770665), (5, 3108266), (7, 2220190), (10, 1554133), (14, 1110095), (23, 675710), (35, 444038), (46, 337855), (49, 317170), (70, 222019), (98, 158585), (115, 135142), (161, 96530), (197, 78890), (230, 67571), (245, 63434), (322, 48265), (343, 45310), (394, 39445), (490, 31717), (686, 22655), (805, 19306), (985, 15778), (1127, 13790), (1379, 11270), (1610, 9653), (1715, 9062), (1970, 7889), (2254, 6895), (2758, 5635), (3430, 4531)]