15987660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:327

約数の個数: 96

約数和(自身を含む): 48921600

約数和(自身を除く): 32933940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 103, 130, 156, 195, 199, 206, 260, 309, 390, 398, 412, 515, 597, 618, 780, 796, 995, 1030, 1194, 1236, 1339, 1545, 1990, 2060, 2388, 2587, 2678, 2985, 3090, 3980, 4017, 5174, 5356, 5970, 6180, 6695, 7761, 8034, 10348, 11940, 12935, 13390, 15522, 16068, 20085, 20497, 25870, 26780, 31044, 38805, 40170, 40994, 51740, 61491, 77610, 80340, 81988, 102485, 122982, 155220, 204970, 245964, 266461, 307455, 409940, 532922, 614910, 799383, 1065844, 1229820, 1332305, 1598766, 2664610, 3197532, 3996915, 5329220, 7993830, 15987660]

約数ペア:

[(1, 15987660), (2, 7993830), (3, 5329220), (4, 3996915), (5, 3197532), (6, 2664610), (10, 1598766), (12, 1332305), (13, 1229820), (15, 1065844), (20, 799383), (26, 614910), (30, 532922), (39, 409940), (52, 307455), (60, 266461), (65, 245964), (78, 204970), (103, 155220), (130, 122982), (156, 102485), (195, 81988), (199, 80340), (206, 77610), (260, 61491), (309, 51740), (390, 40994), (398, 40170), (412, 38805), (515, 31044), (597, 26780), (618, 25870), (780, 20497), (796, 20085), (995, 16068), (1030, 15522), (1194, 13390), (1236, 12935), (1339, 11940), (1545, 10348), (1990, 8034), (2060, 7761), (2388, 6695), (2587, 6180), (2678, 5970), (2985, 5356), (3090, 5174), (3980, 4017)]