78156320

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^3\times {\mathrm{367}}^1$

素因数の和:415

約数の個数: 96

約数和(自身を含む): 203648256

約数和(自身を除く): 125491936

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 121, 160, 176, 220, 242, 352, 367, 440, 484, 605, 734, 880, 968, 1210, 1331, 1468, 1760, 1835, 1936, 2420, 2662, 2936, 3670, 3872, 4037, 4840, 5324, 5872, 6655, 7340, 8074, 9680, 10648, 11744, 13310, 14680, 16148, 19360, 20185, 21296, 26620, 29360, 32296, 40370, 42592, 44407, 53240, 58720, 64592, 80740, 88814, 106480, 129184, 161480, 177628, 212960, 222035, 322960, 355256, 444070, 488477, 645920, 710512, 888140, 976954, 1421024, 1776280, 1953908, 2442385, 3552560, 3907816, 4884770, 7105120, 7815632, 9769540, 15631264, 19539080, 39078160, 78156320]

約数ペア:

[(1, 78156320), (2, 39078160), (4, 19539080), (5, 15631264), (8, 9769540), (10, 7815632), (11, 7105120), (16, 4884770), (20, 3907816), (22, 3552560), (32, 2442385), (40, 1953908), (44, 1776280), (55, 1421024), (80, 976954), (88, 888140), (110, 710512), (121, 645920), (160, 488477), (176, 444070), (220, 355256), (242, 322960), (352, 222035), (367, 212960), (440, 177628), (484, 161480), (605, 129184), (734, 106480), (880, 88814), (968, 80740), (1210, 64592), (1331, 58720), (1468, 53240), (1760, 44407), (1835, 42592), (1936, 40370), (2420, 32296), (2662, 29360), (2936, 26620), (3670, 21296), (3872, 20185), (4037, 19360), (4840, 16148), (5324, 14680), (5872, 13310), (6655, 11744), (7340, 10648), (8074, 9680)]