7157920

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1$

素因数の和:123

約数の個数: 144

約数和(自身を含む): 21718368

約数和(自身を除く): 14560448

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 70, 77, 80, 83, 88, 98, 110, 112, 140, 154, 160, 166, 176, 196, 220, 224, 245, 280, 308, 332, 352, 385, 392, 415, 440, 490, 539, 560, 581, 616, 664, 770, 784, 830, 880, 913, 980, 1078, 1120, 1162, 1232, 1328, 1540, 1568, 1660, 1760, 1826, 1960, 2156, 2324, 2464, 2656, 2695, 2905, 3080, 3320, 3652, 3920, 4067, 4312, 4565, 4648, 5390, 5810, 6160, 6391, 6640, 7304, 7840, 8134, 8624, 9130, 9296, 10780, 11620, 12320, 12782, 13280, 14608, 16268, 17248, 18260, 18592, 20335, 21560, 23240, 25564, 29216, 31955, 32536, 36520, 40670, 43120, 44737, 46480, 51128, 63910, 65072, 73040, 81340, 86240, 89474, 92960, 102256, 127820, 130144, 146080, 162680, 178948, 204512, 223685, 255640, 325360, 357896, 447370, 511280, 650720, 715792, 894740, 1022560, 1431584, 1789480, 3578960, 7157920]

約数ペア:

[(1, 7157920), (2, 3578960), (4, 1789480), (5, 1431584), (7, 1022560), (8, 894740), (10, 715792), (11, 650720), (14, 511280), (16, 447370), (20, 357896), (22, 325360), (28, 255640), (32, 223685), (35, 204512), (40, 178948), (44, 162680), (49, 146080), (55, 130144), (56, 127820), (70, 102256), (77, 92960), (80, 89474), (83, 86240), (88, 81340), (98, 73040), (110, 65072), (112, 63910), (140, 51128), (154, 46480), (160, 44737), (166, 43120), (176, 40670), (196, 36520), (220, 32536), (224, 31955), (245, 29216), (280, 25564), (308, 23240), (332, 21560), (352, 20335), (385, 18592), (392, 18260), (415, 17248), (440, 16268), (490, 14608), (539, 13280), (560, 12782), (581, 12320), (616, 11620), (664, 10780), (770, 9296), (784, 9130), (830, 8624), (880, 8134), (913, 7840), (980, 7304), (1078, 6640), (1120, 6391), (1162, 6160), (1232, 5810), (1328, 5390), (1540, 4648), (1568, 4565), (1660, 4312), (1760, 4067), (1826, 3920), (1960, 3652), (2156, 3320), (2324, 3080), (2464, 2905), (2656, 2695)]