665910

素因数分解:

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

素因数の和:178

約数の個数: 72

約数和(自身を含む): 2027376

約数和(自身を除く): 1361466

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 151, 210, 245, 294, 302, 315, 441, 453, 490, 630, 735, 755, 882, 906, 1057, 1359, 1470, 1510, 2114, 2205, 2265, 2718, 3171, 4410, 4530, 5285, 6342, 6795, 7399, 9513, 10570, 13590, 14798, 15855, 19026, 22197, 31710, 36995, 44394, 47565, 66591, 73990, 95130, 110985, 133182, 221970, 332955, 665910]

約数ペア:

[(1, 665910), (2, 332955), (3, 221970), (5, 133182), (6, 110985), (7, 95130), (9, 73990), (10, 66591), (14, 47565), (15, 44394), (18, 36995), (21, 31710), (30, 22197), (35, 19026), (42, 15855), (45, 14798), (49, 13590), (63, 10570), (70, 9513), (90, 7399), (98, 6795), (105, 6342), (126, 5285), (147, 4530), (151, 4410), (210, 3171), (245, 2718), (294, 2265), (302, 2205), (315, 2114), (441, 1510), (453, 1470), (490, 1359), (630, 1057), (735, 906), (755, 882)]