80489970

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{661}}^1$

素因数の和:729

約数の個数: 128

約数和(自身を含む): 240226560

約数和(自身を除く): 159736590

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 41, 45, 54, 55, 66, 82, 90, 99, 110, 123, 135, 165, 198, 205, 246, 270, 297, 330, 369, 410, 451, 495, 594, 615, 661, 738, 902, 990, 1107, 1230, 1322, 1353, 1485, 1845, 1983, 2214, 2255, 2706, 2970, 3305, 3690, 3966, 4059, 4510, 5535, 5949, 6610, 6765, 7271, 8118, 9915, 11070, 11898, 12177, 13530, 14542, 17847, 19830, 20295, 21813, 24354, 27101, 29745, 35694, 36355, 40590, 43626, 54202, 59490, 60885, 65439, 72710, 81303, 89235, 109065, 121770, 130878, 135505, 162606, 178470, 196317, 218130, 243909, 271010, 298111, 327195, 392634, 406515, 487818, 596222, 654390, 731727, 813030, 894333, 981585, 1219545, 1463454, 1490555, 1788666, 1963170, 2439090, 2682999, 2981110, 3658635, 4471665, 5365998, 7317270, 8048997, 8943330, 13414995, 16097994, 26829990, 40244985, 80489970]

約数ペア:

[(1, 80489970), (2, 40244985), (3, 26829990), (5, 16097994), (6, 13414995), (9, 8943330), (10, 8048997), (11, 7317270), (15, 5365998), (18, 4471665), (22, 3658635), (27, 2981110), (30, 2682999), (33, 2439090), (41, 1963170), (45, 1788666), (54, 1490555), (55, 1463454), (66, 1219545), (82, 981585), (90, 894333), (99, 813030), (110, 731727), (123, 654390), (135, 596222), (165, 487818), (198, 406515), (205, 392634), (246, 327195), (270, 298111), (297, 271010), (330, 243909), (369, 218130), (410, 196317), (451, 178470), (495, 162606), (594, 135505), (615, 130878), (661, 121770), (738, 109065), (902, 89235), (990, 81303), (1107, 72710), (1230, 65439), (1322, 60885), (1353, 59490), (1485, 54202), (1845, 43626), (1983, 40590), (2214, 36355), (2255, 35694), (2706, 29745), (2970, 27101), (3305, 24354), (3690, 21813), (3966, 20295), (4059, 19830), (4510, 17847), (5535, 14542), (5949, 13530), (6610, 12177), (6765, 11898), (7271, 11070), (8118, 9915)]