30687280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1553}}^1$

素因数の和:1598

約数の個数: 80

約数和(自身を含む): 80932320

約数和(自身を除く): 50245040

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1520, 1553, 1976, 2470, 3106, 3952, 4940, 6212, 7765, 9880, 12424, 15530, 19760, 20189, 24848, 29507, 31060, 40378, 59014, 62120, 80756, 100945, 118028, 124240, 147535, 161512, 201890, 236056, 295070, 323024, 383591, 403780, 472112, 590140, 767182, 807560, 1180280, 1534364, 1615120, 1917955, 2360560, 3068728, 3835910, 6137456, 7671820, 15343640, 30687280]

約数ペア:

[(1, 30687280), (2, 15343640), (4, 7671820), (5, 6137456), (8, 3835910), (10, 3068728), (13, 2360560), (16, 1917955), (19, 1615120), (20, 1534364), (26, 1180280), (38, 807560), (40, 767182), (52, 590140), (65, 472112), (76, 403780), (80, 383591), (95, 323024), (104, 295070), (130, 236056), (152, 201890), (190, 161512), (208, 147535), (247, 124240), (260, 118028), (304, 100945), (380, 80756), (494, 62120), (520, 59014), (760, 40378), (988, 31060), (1040, 29507), (1235, 24848), (1520, 20189), (1553, 19760), (1976, 15530), (2470, 12424), (3106, 9880), (3952, 7765), (4940, 6212)]