15683320

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:256

約数の個数: 64

約数和(自身を含む): 36923040

約数和(自身を除く): 21239720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 73, 82, 131, 146, 164, 205, 262, 292, 328, 365, 410, 524, 584, 655, 730, 820, 1048, 1310, 1460, 1640, 2620, 2920, 2993, 5240, 5371, 5986, 9563, 10742, 11972, 14965, 19126, 21484, 23944, 26855, 29930, 38252, 42968, 47815, 53710, 59860, 76504, 95630, 107420, 119720, 191260, 214840, 382520, 392083, 784166, 1568332, 1960415, 3136664, 3920830, 7841660, 15683320]

約数ペア:

[(1, 15683320), (2, 7841660), (4, 3920830), (5, 3136664), (8, 1960415), (10, 1568332), (20, 784166), (40, 392083), (41, 382520), (73, 214840), (82, 191260), (131, 119720), (146, 107420), (164, 95630), (205, 76504), (262, 59860), (292, 53710), (328, 47815), (365, 42968), (410, 38252), (524, 29930), (584, 26855), (655, 23944), (730, 21484), (820, 19126), (1048, 14965), (1310, 11972), (1460, 10742), (1640, 9563), (2620, 5986), (2920, 5371), (2993, 5240)]