2158260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2767}}^1$

素因数の和:2792

約数の個数: 48

約数和(自身を含む): 6510336

約数和(自身を除く): 4352076

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 2767, 5534, 8301, 11068, 13835, 16602, 27670, 33204, 35971, 41505, 55340, 71942, 83010, 107913, 143884, 166020, 179855, 215826, 359710, 431652, 539565, 719420, 1079130, 2158260]

約数ペア:

[(1, 2158260), (2, 1079130), (3, 719420), (4, 539565), (5, 431652), (6, 359710), (10, 215826), (12, 179855), (13, 166020), (15, 143884), (20, 107913), (26, 83010), (30, 71942), (39, 55340), (52, 41505), (60, 35971), (65, 33204), (78, 27670), (130, 16602), (156, 13835), (195, 11068), (260, 8301), (390, 5534), (780, 2767)]