87340720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1553}}^1$

素因数の和:1622

約数の個数: 80

約数和(自身を含む): 219673440

約数和(自身を除く): 132332720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 37, 38, 40, 74, 76, 80, 95, 148, 152, 185, 190, 296, 304, 370, 380, 592, 703, 740, 760, 1406, 1480, 1520, 1553, 2812, 2960, 3106, 3515, 5624, 6212, 7030, 7765, 11248, 12424, 14060, 15530, 24848, 28120, 29507, 31060, 56240, 57461, 59014, 62120, 114922, 118028, 124240, 147535, 229844, 236056, 287305, 295070, 459688, 472112, 574610, 590140, 919376, 1091759, 1149220, 1180280, 2183518, 2298440, 2360560, 4367036, 4596880, 5458795, 8734072, 10917590, 17468144, 21835180, 43670360, 87340720]

約数ペア:

[(1, 87340720), (2, 43670360), (4, 21835180), (5, 17468144), (8, 10917590), (10, 8734072), (16, 5458795), (19, 4596880), (20, 4367036), (37, 2360560), (38, 2298440), (40, 2183518), (74, 1180280), (76, 1149220), (80, 1091759), (95, 919376), (148, 590140), (152, 574610), (185, 472112), (190, 459688), (296, 295070), (304, 287305), (370, 236056), (380, 229844), (592, 147535), (703, 124240), (740, 118028), (760, 114922), (1406, 62120), (1480, 59014), (1520, 57461), (1553, 56240), (2812, 31060), (2960, 29507), (3106, 28120), (3515, 24848), (5624, 15530), (6212, 14060), (7030, 12424), (7765, 11248)]