1997730

素因数分解:

$2^1\times 3^3\times 5^1\times 7^2\times {\mathrm{151}}^1$

素因数の和:181

約数の個数: 96

約数和(自身を含む): 6238080

約数和(自身を除く): 4240350

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 49, 54, 63, 70, 90, 98, 105, 126, 135, 147, 151, 189, 210, 245, 270, 294, 302, 315, 378, 441, 453, 490, 630, 735, 755, 882, 906, 945, 1057, 1323, 1359, 1470, 1510, 1890, 2114, 2205, 2265, 2646, 2718, 3171, 4077, 4410, 4530, 5285, 6342, 6615, 6795, 7399, 8154, 9513, 10570, 13230, 13590, 14798, 15855, 19026, 20385, 22197, 28539, 31710, 36995, 40770, 44394, 47565, 57078, 66591, 73990, 95130, 110985, 133182, 142695, 199773, 221970, 285390, 332955, 399546, 665910, 998865, 1997730]

約数ペア:

[(1, 1997730), (2, 998865), (3, 665910), (5, 399546), (6, 332955), (7, 285390), (9, 221970), (10, 199773), (14, 142695), (15, 133182), (18, 110985), (21, 95130), (27, 73990), (30, 66591), (35, 57078), (42, 47565), (45, 44394), (49, 40770), (54, 36995), (63, 31710), (70, 28539), (90, 22197), (98, 20385), (105, 19026), (126, 15855), (135, 14798), (147, 13590), (151, 13230), (189, 10570), (210, 9513), (245, 8154), (270, 7399), (294, 6795), (302, 6615), (315, 6342), (378, 5285), (441, 4530), (453, 4410), (490, 4077), (630, 3171), (735, 2718), (755, 2646), (882, 2265), (906, 2205), (945, 2114), (1057, 1890), (1323, 1510), (1359, 1470)]