15519660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{197}}^1$

素因数の和:323

約数の個数: 96

約数和(自身を含む): 47500992

約数和(自身を除く): 31981332

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 101, 130, 156, 195, 197, 202, 260, 303, 390, 394, 404, 505, 591, 606, 780, 788, 985, 1010, 1182, 1212, 1313, 1515, 1970, 2020, 2364, 2561, 2626, 2955, 3030, 3939, 3940, 5122, 5252, 5910, 6060, 6565, 7683, 7878, 10244, 11820, 12805, 13130, 15366, 15756, 19695, 19897, 25610, 26260, 30732, 38415, 39390, 39794, 51220, 59691, 76830, 78780, 79588, 99485, 119382, 153660, 198970, 238764, 258661, 298455, 397940, 517322, 596910, 775983, 1034644, 1193820, 1293305, 1551966, 2586610, 3103932, 3879915, 5173220, 7759830, 15519660]

約数ペア:

[(1, 15519660), (2, 7759830), (3, 5173220), (4, 3879915), (5, 3103932), (6, 2586610), (10, 1551966), (12, 1293305), (13, 1193820), (15, 1034644), (20, 775983), (26, 596910), (30, 517322), (39, 397940), (52, 298455), (60, 258661), (65, 238764), (78, 198970), (101, 153660), (130, 119382), (156, 99485), (195, 79588), (197, 78780), (202, 76830), (260, 59691), (303, 51220), (390, 39794), (394, 39390), (404, 38415), (505, 30732), (591, 26260), (606, 25610), (780, 19897), (788, 19695), (985, 15756), (1010, 15366), (1182, 13130), (1212, 12805), (1313, 11820), (1515, 10244), (1970, 7878), (2020, 7683), (2364, 6565), (2561, 6060), (2626, 5910), (2955, 5252), (3030, 5122), (3939, 3940)]