212949240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{3209}}^1$

素因数の和:3309

約数の個数: 128

約数和(自身を含む): 739584000

約数和(自身を除く): 526634760

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, 79, 84, 105, 120, 140, 158, 168, 210, 237, 280, 316, 395, 420, 474, 553, 632, 790, 840, 948, 1106, 1185, 1580, 1659, 1896, 2212, 2370, 2765, 3160, 3209, 3318, 4424, 4740, 5530, 6418, 6636, 8295, 9480, 9627, 11060, 12836, 13272, 16045, 16590, 19254, 22120, 22463, 25672, 32090, 33180, 38508, 44926, 48135, 64180, 66360, 67389, 77016, 89852, 96270, 112315, 128360, 134778, 179704, 192540, 224630, 253511, 269556, 336945, 385080, 449260, 507022, 539112, 673890, 760533, 898520, 1014044, 1267555, 1347780, 1521066, 1774577, 2028088, 2535110, 2695560, 3042132, 3549154, 3802665, 5070220, 5323731, 6084264, 7098308, 7605330, 8872885, 10140440, 10647462, 14196616, 15210660, 17745770, 21294924, 26618655, 30421320, 35491540, 42589848, 53237310, 70983080, 106474620, 212949240]

約数ペア:

[(1, 212949240), (2, 106474620), (3, 70983080), (4, 53237310), (5, 42589848), (6, 35491540), (7, 30421320), (8, 26618655), (10, 21294924), (12, 17745770), (14, 15210660), (15, 14196616), (20, 10647462), (21, 10140440), (24, 8872885), (28, 7605330), (30, 7098308), (35, 6084264), (40, 5323731), (42, 5070220), (56, 3802665), (60, 3549154), (70, 3042132), (79, 2695560), (84, 2535110), (105, 2028088), (120, 1774577), (140, 1521066), (158, 1347780), (168, 1267555), (210, 1014044), (237, 898520), (280, 760533), (316, 673890), (395, 539112), (420, 507022), (474, 449260), (553, 385080), (632, 336945), (790, 269556), (840, 253511), (948, 224630), (1106, 192540), (1185, 179704), (1580, 134778), (1659, 128360), (1896, 112315), (2212, 96270), (2370, 89852), (2765, 77016), (3160, 67389), (3209, 66360), (3318, 64180), (4424, 48135), (4740, 44926), (5530, 38508), (6418, 33180), (6636, 32090), (8295, 25672), (9480, 22463), (9627, 22120), (11060, 19254), (12836, 16590), (13272, 16045)]