157026320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{178439}}^1$

素因数の和:178463

約数の個数: 40

約数和(自身を含む): 398278080

約数和(自身を除く): 241251760

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 178439, 356878, 713756, 892195, 1427512, 1784390, 1962829, 2855024, 3568780, 3925658, 7137560, 7851316, 9814145, 14275120, 15702632, 19628290, 31405264, 39256580, 78513160, 157026320]

約数ペア:

[(1, 157026320), (2, 78513160), (4, 39256580), (5, 31405264), (8, 19628290), (10, 15702632), (11, 14275120), (16, 9814145), (20, 7851316), (22, 7137560), (40, 3925658), (44, 3568780), (55, 2855024), (80, 1962829), (88, 1784390), (110, 1427512), (176, 892195), (220, 713756), (440, 356878), (880, 178439)]