72878960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{11831}}^1$

素因数の和:11862

約数の個数: 80

約数和(自身を含む): 211272192

約数和(自身を除く): 138393232

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 3080, 6160, 11831, 23662, 47324, 59155, 82817, 94648, 118310, 130141, 165634, 189296, 236620, 260282, 331268, 414085, 473240, 520564, 650705, 662536, 828170, 910987, 946480, 1041128, 1301410, 1325072, 1656340, 1821974, 2082256, 2602820, 3312680, 3643948, 4554935, 5205640, 6625360, 7287896, 9109870, 10411280, 14575792, 18219740, 36439480, 72878960]

約数ペア:

[(1, 72878960), (2, 36439480), (4, 18219740), (5, 14575792), (7, 10411280), (8, 9109870), (10, 7287896), (11, 6625360), (14, 5205640), (16, 4554935), (20, 3643948), (22, 3312680), (28, 2602820), (35, 2082256), (40, 1821974), (44, 1656340), (55, 1325072), (56, 1301410), (70, 1041128), (77, 946480), (80, 910987), (88, 828170), (110, 662536), (112, 650705), (140, 520564), (154, 473240), (176, 414085), (220, 331268), (280, 260282), (308, 236620), (385, 189296), (440, 165634), (560, 130141), (616, 118310), (770, 94648), (880, 82817), (1232, 59155), (1540, 47324), (3080, 23662), (6160, 11831)]