2155020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{733}}^1$

素因数の和:759

約数の個数: 72

約数和(自身を含む): 7028784

約数和(自身を除く): 4873764

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 733, 735, 980, 1466, 1470, 2199, 2932, 2940, 3665, 4398, 5131, 7330, 8796, 10262, 10995, 14660, 15393, 20524, 21990, 25655, 30786, 35917, 43980, 51310, 61572, 71834, 76965, 102620, 107751, 143668, 153930, 179585, 215502, 307860, 359170, 431004, 538755, 718340, 1077510, 2155020]

約数ペア:

[(1, 2155020), (2, 1077510), (3, 718340), (4, 538755), (5, 431004), (6, 359170), (7, 307860), (10, 215502), (12, 179585), (14, 153930), (15, 143668), (20, 107751), (21, 102620), (28, 76965), (30, 71834), (35, 61572), (42, 51310), (49, 43980), (60, 35917), (70, 30786), (84, 25655), (98, 21990), (105, 20524), (140, 15393), (147, 14660), (196, 10995), (210, 10262), (245, 8796), (294, 7330), (420, 5131), (490, 4398), (588, 3665), (733, 2940), (735, 2932), (980, 2199), (1466, 1470)]