1331820

素因数分解:

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

素因数の和:180

約数の個数: 108

約数和(自身を含む): 4730544

約数和(自身を除く): 3398724

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 151, 180, 196, 210, 245, 252, 294, 302, 315, 420, 441, 453, 490, 588, 604, 630, 735, 755, 882, 906, 980, 1057, 1260, 1359, 1470, 1510, 1764, 1812, 2114, 2205, 2265, 2718, 2940, 3020, 3171, 4228, 4410, 4530, 5285, 5436, 6342, 6795, 7399, 8820, 9060, 9513, 10570, 12684, 13590, 14798, 15855, 19026, 21140, 22197, 27180, 29596, 31710, 36995, 38052, 44394, 47565, 63420, 66591, 73990, 88788, 95130, 110985, 133182, 147980, 190260, 221970, 266364, 332955, 443940, 665910, 1331820]

約数ペア:

[(1, 1331820), (2, 665910), (3, 443940), (4, 332955), (5, 266364), (6, 221970), (7, 190260), (9, 147980), (10, 133182), (12, 110985), (14, 95130), (15, 88788), (18, 73990), (20, 66591), (21, 63420), (28, 47565), (30, 44394), (35, 38052), (36, 36995), (42, 31710), (45, 29596), (49, 27180), (60, 22197), (63, 21140), (70, 19026), (84, 15855), (90, 14798), (98, 13590), (105, 12684), (126, 10570), (140, 9513), (147, 9060), (151, 8820), (180, 7399), (196, 6795), (210, 6342), (245, 5436), (252, 5285), (294, 4530), (302, 4410), (315, 4228), (420, 3171), (441, 3020), (453, 2940), (490, 2718), (588, 2265), (604, 2205), (630, 2114), (735, 1812), (755, 1764), (882, 1510), (906, 1470), (980, 1359), (1057, 1260)]