15951720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{307}}^1\times {\mathrm{433}}^1$

素因数の和:754

約数の個数: 64

約数和(自身を含む): 48121920

約数和(自身を除く): 32170200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 307, 433, 614, 866, 921, 1228, 1299, 1535, 1732, 1842, 2165, 2456, 2598, 3070, 3464, 3684, 4330, 4605, 5196, 6140, 6495, 7368, 8660, 9210, 10392, 12280, 12990, 17320, 18420, 25980, 36840, 51960, 132931, 265862, 398793, 531724, 664655, 797586, 1063448, 1329310, 1595172, 1993965, 2658620, 3190344, 3987930, 5317240, 7975860, 15951720]

約数ペア:

[(1, 15951720), (2, 7975860), (3, 5317240), (4, 3987930), (5, 3190344), (6, 2658620), (8, 1993965), (10, 1595172), (12, 1329310), (15, 1063448), (20, 797586), (24, 664655), (30, 531724), (40, 398793), (60, 265862), (120, 132931), (307, 51960), (433, 36840), (614, 25980), (866, 18420), (921, 17320), (1228, 12990), (1299, 12280), (1535, 10392), (1732, 9210), (1842, 8660), (2165, 7368), (2456, 6495), (2598, 6140), (3070, 5196), (3464, 4605), (3684, 4330)]