15191440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{283}}^1$

素因数の和:368

約数の個数: 80

約数和(自身を含む): 39301056

約数和(自身を除く): 24109616

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 61, 80, 88, 110, 122, 176, 220, 244, 283, 305, 440, 488, 566, 610, 671, 880, 976, 1132, 1220, 1342, 1415, 2264, 2440, 2684, 2830, 3113, 3355, 4528, 4880, 5368, 5660, 6226, 6710, 10736, 11320, 12452, 13420, 15565, 17263, 22640, 24904, 26840, 31130, 34526, 49808, 53680, 62260, 69052, 86315, 124520, 138104, 172630, 189893, 249040, 276208, 345260, 379786, 690520, 759572, 949465, 1381040, 1519144, 1898930, 3038288, 3797860, 7595720, 15191440]

約数ペア:

[(1, 15191440), (2, 7595720), (4, 3797860), (5, 3038288), (8, 1898930), (10, 1519144), (11, 1381040), (16, 949465), (20, 759572), (22, 690520), (40, 379786), (44, 345260), (55, 276208), (61, 249040), (80, 189893), (88, 172630), (110, 138104), (122, 124520), (176, 86315), (220, 69052), (244, 62260), (283, 53680), (305, 49808), (440, 34526), (488, 31130), (566, 26840), (610, 24904), (671, 22640), (880, 17263), (976, 15565), (1132, 13420), (1220, 12452), (1342, 11320), (1415, 10736), (2264, 6710), (2440, 6226), (2684, 5660), (2830, 5368), (3113, 4880), (3355, 4528)]