155387320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{18587}}^1$

素因数の和:18628

約数の個数: 64

約数和(自身を含む): 401500800

約数和(自身を除く): 246113480

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 380, 418, 440, 760, 836, 1045, 1672, 2090, 4180, 8360, 18587, 37174, 74348, 92935, 148696, 185870, 204457, 353153, 371740, 408914, 706306, 743480, 817828, 1022285, 1412612, 1635656, 1765765, 2044570, 2825224, 3531530, 3884683, 4089140, 7063060, 7769366, 8178280, 14126120, 15538732, 19423415, 31077464, 38846830, 77693660, 155387320]

約数ペア:

[(1, 155387320), (2, 77693660), (4, 38846830), (5, 31077464), (8, 19423415), (10, 15538732), (11, 14126120), (19, 8178280), (20, 7769366), (22, 7063060), (38, 4089140), (40, 3884683), (44, 3531530), (55, 2825224), (76, 2044570), (88, 1765765), (95, 1635656), (110, 1412612), (152, 1022285), (190, 817828), (209, 743480), (220, 706306), (380, 408914), (418, 371740), (440, 353153), (760, 204457), (836, 185870), (1045, 148696), (1672, 92935), (2090, 74348), (4180, 37174), (8360, 18587)]