214815720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{255733}}^1$

素因数の和:255754

約数の個数: 64

約数和(自身を含む): 736513920

約数和(自身を除く): 521698200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 255733, 511466, 767199, 1022932, 1278665, 1534398, 1790131, 2045864, 2557330, 3068796, 3580262, 3835995, 5114660, 5370393, 6137592, 7160524, 7671990, 8950655, 10229320, 10740786, 14321048, 15343980, 17901310, 21481572, 26851965, 30687960, 35802620, 42963144, 53703930, 71605240, 107407860, 214815720]

約数ペア:

[(1, 214815720), (2, 107407860), (3, 71605240), (4, 53703930), (5, 42963144), (6, 35802620), (7, 30687960), (8, 26851965), (10, 21481572), (12, 17901310), (14, 15343980), (15, 14321048), (20, 10740786), (21, 10229320), (24, 8950655), (28, 7671990), (30, 7160524), (35, 6137592), (40, 5370393), (42, 5114660), (56, 3835995), (60, 3580262), (70, 3068796), (84, 2557330), (105, 2045864), (120, 1790131), (140, 1534398), (168, 1278665), (210, 1022932), (280, 767199), (420, 511466), (840, 255733)]